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A dialect continuum or dialect chain is a series of language varieties spoken across some geographical area such that neighboring varieties are
mutually intelligible In linguistics, mutual intelligibility is a relationship between languages or dialects in which speakers of different but related varieties can readily understand each other without prior familiarity or special effort. It is sometimes used as an ...
, but the differences accumulate over distance so that widely separated varieties may not be. This is a typical occurrence with widely spread languages and language families around the world, when these languages did not spread recently. Some prominent examples include the Indo-Aryan languages across large parts of India, varieties of Arabic across north Africa and southwest Asia, the Turkic languages, the Chinese languages or dialects, and subgroups of the Romance, Germanic and Slavic families in Europe. Leonard Bloomfield used the name dialect area. Charles F. Hockett used the term L-complex. Dialect continua typically occur in long-settled agrarian populations, as innovations spread from their various points of origin as waves. In this situation, hierarchical classifications of varieties are impractical. Instead, dialectologists map variation of various language features across a dialect continuum, drawing lines called
isogloss An isogloss, also called a heterogloss (see Etymology below), is the geographic boundary of a certain linguistic feature, such as the pronunciation of a vowel, the meaning of a word, or the use of some morphological or syntactic feature. Major d ...
es between areas that differ with respect to some feature. A variety within a dialect continuum may be developed and codified as a
standard language A standard language (also standard variety, standard dialect, and standard) is a language variety that has undergone substantial codification of grammar and usage, although occasionally the term refers to the entirety of a language that includes ...
, and then serve as an authority for part of the continuum, e.g. within a particular political unit or geographical area. Since the early 20th century, the increasing dominance of nation-states and their standard languages has been steadily eliminating the nonstandard dialects that comprise dialect continua, making the boundaries ever more abrupt and well-defined.


Dialect geography

Dialectologists record variation across a dialect continuum using maps of various features collected in a linguistic atlas, beginning with an atlas of
German dialects German dialects are the various traditional local varieties of the German language. Though varied by region, those of the southern half of Germany beneath the Benrath line are dominated by the geographical spread of the High German consonant ...
by Georg Wenker (from 1888), based on a postal survey of schoolmasters. The influential '' Atlas linguistique de la France'' (1902–10) pioneered the use of a trained fieldworker. These atlases typically consist of ''display maps'', each showing local forms of a particular item at the survey locations. Secondary studies may include ''interpretive maps'', showing the areal distribution of various variants. A common tool in these maps is an
isogloss An isogloss, also called a heterogloss (see Etymology below), is the geographic boundary of a certain linguistic feature, such as the pronunciation of a vowel, the meaning of a word, or the use of some morphological or syntactic feature. Major d ...
, a line separating areas where different variants of a particular feature predominate. In a dialect continuum, isoglosses for different features are typically spread out, reflecting the gradual transition between varieties. A bundle of coinciding isoglosses indicates a stronger dialect boundary, as might occur at geographical obstacles or long-standing political boundaries. In other cases, intersecting isoglosses and more complex patterns are found.


Relationship with standard varieties

Standard varieties A standard language (also standard variety, standard dialect, and standard) is a language variety that has undergone substantial codification of grammar and usage, although occasionally the term refers to the entirety of a language that includes ...
may be developed and codified at one or more locations in a continuum until they have independent cultural status (autonomy), a process the German linguist Heinz Kloss called '' ausbau''. Speakers of local varieties typically read and write a related standard variety, use it for official purposes, hear it on radio and television, and consider it the standard form of their speech, so that any standardizing changes in their speech are towards that variety. In such cases the local variety is said to be dependent on, or heteronomous with respect to, the standard variety. A standard variety together with its dependent varieties is commonly considered a "language", with the dependent varieties called "dialects" of the language, even if the standard is mutually intelligible with another standard from the same continuum. The Scandinavian languages, Danish, Norwegian and
Swedish Swedish or ' may refer to: Anything from or related to Sweden, a country in Northern Europe. Or, specifically: * Swedish language, a North Germanic language spoken primarily in Sweden and Finland ** Swedish alphabet, the official alphabet used by ...
, are often cited as examples. Conversely, a language defined in this way may include local varieties that are mutually unintelligible, such as the
German dialects German dialects are the various traditional local varieties of the German language. Though varied by region, those of the southern half of Germany beneath the Benrath line are dominated by the geographical spread of the High German consonant ...
. The choice of standard is often determined by a political boundary, which may cut across a dialect continuum. As a result, speakers on either side of the boundary may use almost identical varieties, but treat them as dependent on different standards, and thus part of different "languages". The various local dialects then tend to be leveled towards their respective standard varieties, disrupting the previous dialect continuum. Examples include the boundaries between Dutch and German, between Czech, Slovak and Polish, and between
Belarusian Belarusian may refer to: * Something of, or related to Belarus * Belarusians, people from Belarus, or of Belarusian descent * A citizen of Belarus, see Demographics of Belarus * Belarusian language * Belarusian culture * Belarusian cuisine * Byelor ...
and Ukrainian. The choice may be a matter of national, regional or religious identity, and may be controversial. Examples of controversies are regions such as the disputed territory of
Kashmir Kashmir () is the northernmost geographical region of the Indian subcontinent. Until the mid-19th century, the term "Kashmir" denoted only the Kashmir Valley between the Great Himalayas and the Pir Panjal Range. Today, the term encompas ...
, in which local
Muslim Muslims ( ar, المسلمون, , ) are people who adhere to Islam, a monotheistic religion belonging to the Abrahamic tradition. They consider the Quran, the foundational religious text of Islam, to be the verbatim word of the God of Abrah ...
s usually regard their language as Urdu, the national standard of Pakistan, while Hindus regard the same speech as Hindi, an official standard of India. Even so, the Eighth Schedule to the Indian Constitution contains a list of 22 scheduled languages and Urdu is among them. During the time of the former
Socialist Republic of Macedonia The Socialist Republic of Macedonia ( mk, Социјалистичка Република Македонија, Socijalistička Republika Makedonija), or SR Macedonia, commonly referred to as Socialist Macedonia or Yugoslav Macedonia, was ...
, a standard was developed from local varieties of
Eastern South Slavic The Eastern South Slavic dialects form the eastern subgroup of the South Slavic languages. They are spoken mostly in Bulgaria and North Macedonia, and adjacent areas in the neighbouring countries. They form the so-called Balkan Slavic lin ...
, within a continuum with Torlakian to the north and Bulgarian to the east. The standard was deliberately based on varieties from the west of the republic that were most different from standard Bulgarian. Now known as
Macedonian Macedonian most often refers to someone or something from or related to Macedonia. Macedonian(s) may specifically refer to: People Modern * Macedonians (ethnic group), a nation and a South Slavic ethnic group primarily associated with North M ...
, it is the national standard of North Macedonia, but viewed by Bulgarians as a dialect of Bulgarian.


Europe

Europe provides several examples of dialect continua, the largest of which involve the Germanic, Romance and Slavic branches of the Indo-European language family, the continent's largest language branches. The Romance area spanned much of the territory of the Roman Empire but was split into western and eastern portions by the
Slav Migrations The early Slavs were a diverse group of Tribe, tribal societies who lived during the Migration Period and the Early Middle Ages (approximately the 5th to the 10th centuries AD) in Central and Eastern Europe and established the foundations for th ...
into the Balkans in the 7th and 8th centuries. The Slavic area was in turn split by the
Hungarian conquest of the Carpathian Basin The Hungarian conquest of the Carpathian Basin, also known as the Hungarian conquest or the Hungarian land-taking (), was a series of historical events ending with the settlement of the Hungarians in Central Europe in the late 9th and early 10t ...
in the 9th and 10th centuries.


Germanic languages


North Germanic continuum

The Norwegian, Danish and Swedish dialects comprise a classic example of a dialect continuum, encompassing Norway, Denmark, Sweden and coastal parts of Finland. The Continental North Germanic standard languages ( Norwegian, Danish and
Swedish Swedish or ' may refer to: Anything from or related to Sweden, a country in Northern Europe. Or, specifically: * Swedish language, a North Germanic language spoken primarily in Sweden and Finland ** Swedish alphabet, the official alphabet used by ...
) are close enough and intelligible enough for some to consider them to be dialects of the same language, but the Insular ones ( Faroese and Icelandic) are not immediately intelligible to the other North Germanic speakers.


Continental West Germanic continuum

Historically, the Dutch, Frisian and
German dialects German dialects are the various traditional local varieties of the German language. Though varied by region, those of the southern half of Germany beneath the Benrath line are dominated by the geographical spread of the High German consonant ...
formed a canonical dialect continuum, which has been gradually falling apart since the Late Middle Ages due to the pressures of modern education, standard languages, migration and weakening knowledge of the dialects. p. 54. The transition from German dialects to Dutch variants followed two basic routes: * From
Central German Central German or Middle German (german: mitteldeutsche Dialekte, mitteldeutsche Mundarten, Mitteldeutsch) is a group of High German dialects spoken from the Rhineland in the west to the former eastern territories of Germany. Central German di ...
to Southeastern Dutch (
Limburgish Limburgish ( li, Limburgs or ; nl, Limburgs ; german: Limburgisch ; french: Limbourgeois ), also called Limburgan, Limburgian, or Limburgic, is a West Germanic language spoken in the Dutch and Belgian provinces of Limburg (Netherlands), L ...
) in the so-called Rhenish fan, an area corresponding largely to the modern Niederrhein in which gradual but geographically compact changes took place. * From Low Saxon to Northwestern Dutch ( Hollandic): This sub-continuum also included West Frisian dialects up until the 17th century, but faced external pressure from Standard Dutch and, after the collapse of the
Hanseatic League The Hanseatic League (; gml, Hanse, , ; german: label=Modern German, Deutsche Hanse) was a medieval commercial and defensive confederation of merchant guilds and market towns in Central and Northern Europe. Growing from a few North German to ...
, from
Standard German Standard High German (SHG), less precisely Standard German or High German (not to be confused with High German dialects, more precisely Upper German dialects) (german: Standardhochdeutsch, , or, in Switzerland, ), is the standardized variety ...
which greatly influenced the vocabularies of these border dialects. Though the internal dialect continua of both Dutch and German remain largely intact, the continuum which historically connected the Dutch, Frisian and German languages has largely disintegrated. Fragmentary areas of the Dutch-German border in which language change is more gradual than in other sections or a higher degree of mutual intelligibility is present still exist, such as the
Aachen Aachen ( ; ; Aachen dialect: ''Oche'' ; French and traditional English: Aix-la-Chapelle; or ''Aquisgranum''; nl, Aken ; Polish: Akwizgran) is, with around 249,000 inhabitants, the 13th-largest city in North Rhine-Westphalia, and the 28th- ...
- Kerkrade area, but the historical chain in which dialects were only divided by minor isoglosses and negligible differences in vocabulary has seen a rapid and ever-increasing decline since the 1850s. Standard Dutch was based on the dialects of the principal Brabantic and Hollandic cities. The written form of
Standard German Standard High German (SHG), less precisely Standard German or High German (not to be confused with High German dialects, more precisely Upper German dialects) (german: Standardhochdeutsch, , or, in Switzerland, ), is the standardized variety ...
originated in the East Central German used at the
chancery Chancery may refer to: Offices and administration * Chancery (diplomacy), the principal office that houses a diplomatic mission or an embassy * Chancery (medieval office), responsible for the production of official documents * Chancery (Scotlan ...
of the kingdom of Saxony, while the spoken form emerged later, based on North German pronunciations of the written standard. Being based on widely separated dialects, the Dutch and German standards do not show a high degree of mutual intelligibility when spoken and only partially so when written. One study concluded that, when concerning written language, Dutch speakers could translate 50.2% of the provided German words correctly, while the German subjects were able to translate 41.9% of the Dutch equivalents correctly. In terms of orthography, 22% of the vocabulary of Dutch and German is identical or near-identical.


Anglic continuum

The Germanic dialects spoken on the island of Great Britain comprise areal varieties of English in England and of
Scots Scots usually refers to something of, from, or related to Scotland, including: * Scots language, a language of the West Germanic language family native to Scotland * Scots people, a nation and ethnic group native to Scotland * Scoti, a Latin na ...
in Scotland. Those of large areas north and south of the border are often mutually intelligible. In contrast, the
Orcadian dialect Orcadian dialect or Orcadian Scots is a dialect of Insular Scots, itself a dialect of the Scots language. It is derived from Lowland Scots, with a degree of Norwegian influence from the Norn language. Due to the influence of Orkney fur traders ...
of Scots is very different from the dialects of English in southern England—but they are linked by a chain of intermediate varieties.


Romance languages


Western Romance continuum

The western continuum of Romance languages comprises, from West to East: in Portugal, Portuguese; in Spain, Galician, Leonese or Asturian, Castilian or Spanish, Aragonese and
Catalan Catalan may refer to: Catalonia From, or related to Catalonia: * Catalan language, a Romance language * Catalans, an ethnic group formed by the people from, or with origins in, Northern or southern Catalonia Places * 13178 Catalan, asteroid ...
or Valencian; in France, Occitan, Franco-Provençal, standard
French French (french: français(e), link=no) may refer to: * Something of, from, or related to France ** French language, which originated in France, and its various dialects and accents ** French people, a nation and ethnic group identified with Franc ...
and Corsican which is closely related to Italian; in Italy, Piedmontese, Italian, Lombard, Emilian,
Romagnol Romagnol ( or ; it, romagnolo) is a Romance languages, Romance language spoken in the historical region of Romagna, consisting mainly of the southeastern part of Emilia-Romagna, Italy. The name is derived from the Lombard language, Lombard name ...
, Gallo-Picene,
Venetian Venetian often means from or related to: * Venice, a city in Italy * Veneto, a region of Italy * Republic of Venice (697–1797), a historical nation in that area Venetian and the like may also refer to: * Venetian language, a Romance language s ...
, Friulian, Ladin; and in Switzerland, Lombard and Romansh. This continuum is sometimes presented as another example, but the major languages in the group (i.e. Portuguese, Spanish, French and Italian) have had separate
standards Standard may refer to: Symbols * Colours, standards and guidons, kinds of military signs * Standard (emblem), a type of a large symbol or emblem used for identification Norms, conventions or requirements * Standard (metrology), an object th ...
for longer than the languages in the Continental West Germanic group, and so are not commonly classified as
dialect The term dialect (from Latin , , from the Ancient Greek word , 'discourse', from , 'through' and , 'I speak') can refer to either of two distinctly different types of linguistic phenomena: One usage refers to a variety of a language that ...
s of a common language. Focusing instead on the local Romance lects that pre-existed the establishment of national or regional standard languages, all evidence and principles point to ''Romania continua'' as having been, and to varying extents in some areas still being, what Charles Hockett called an L-complex, i.e. an unbroken chain of local differentiation such that, in principle and with appropriate caveats, intelligibility (due to sharing of features) attenuates with distance. This is perhaps most evident today in Italy, where, especially in rural and small-town contexts, local Romance is still often employed at home and work, and geolinguistic distinctions are such that while native speakers from any two nearby towns can understand each other with ease, they can also spot from linguistic features that the other is from elsewhere. In recent centuries, the intermediate dialects between the major Romance languages have been moving toward extinction, as their speakers have switched to varieties closer to the more prestigious national standards. That has been most notable in France, owing to the French government's refusal to recognise minority languages, but it has occurred to some extent in all Western Romance speaking countries. Language change has also threatened the survival of stateless languages with existing literary standards, such as Occitan. The Romance languages of Italy are a less arguable example of a dialect continuum. For many decades since Italy's unification, the attitude of the French government towards the ethnolinguistic minorities was copied by the Italian government.


Eastern Romance continuum

The eastern Romance continuum is dominated by Romanian. Outside Romania and Moldova, across the other south-east European countries, various Romanian language groups are to be found: pockets of various Romanian and Aromanian subgroups survive throughout
Bulgaria Bulgaria (; bg, България, Bǎlgariya), officially the Republic of Bulgaria,, ) is a country in Southeast Europe. It is situated on the eastern flank of the Balkans, and is bordered by Romania to the north, Serbia and North Mac ...
, Serbia, North Macedonia, Greece,
Albania Albania ( ; sq, Shqipëri or ), or , also or . officially the Republic of Albania ( sq, Republika e Shqipërisë), is a country in Southeastern Europe. It is located on the Adriatic The Adriatic Sea () is a body of water separating the ...
and
Croatia , image_flag = Flag of Croatia.svg , image_coat = Coat of arms of Croatia.svg , anthem = "Lijepa naša domovino"("Our Beautiful Homeland") , image_map = , map_caption = , capit ...
(in
Istria Istria ( ; Croatian language, Croatian and Slovene language, Slovene: ; ist, Eîstria; Istro-Romanian language, Istro-Romanian, Italian language, Italian and Venetian language, Venetian: ; formerly in Latin and in Ancient Greek) is the larges ...
).


Slavic languages

Conventionally, on the basis of extralinguistic features (such as writing systems or the former western frontier of the Soviet Union), the North Slavic continuum is split into East and West Slavic continua. From the perspective of linguistic features alone, only two Slavic (dialect) continua can be distinguished, namely, North and South.


North Slavic continuum

The North Slavic continuum covers the East Slavic and West Slavic languages. East Slavic includes Russian,
Belarusian Belarusian may refer to: * Something of, or related to Belarus * Belarusians, people from Belarus, or of Belarusian descent * A citizen of Belarus, see Demographics of Belarus * Belarusian language * Belarusian culture * Belarusian cuisine * Byelor ...
, Rusyn and Ukrainian; West Slavic languages of Czech, Polish, Slovak,
Silesian Silesian as an adjective can mean anything from or related to Silesia. As a noun, it refers to an article, item, or person of or from Silesia. Silesian may also refer to: People and languages * Silesians, inhabitants of Silesia, either a West S ...
,
Kashubian Kashubian can refer to: * Pertaining to Kashubia, a region of north-central Poland * Kashubians, an ethnic group of north-central Poland * Kashubian language See also *Kashubian alphabet The Kashubian or Cassubian alphabet (''kaszëbsczi alf ...
, and
Upper Upper may refer to: * Shoe upper or ''vamp'', the part of a shoe on the top of the foot * Stimulant, drugs which induce temporary improvements in either mental or physical function or both * ''Upper'', the original film title for the 2013 found fo ...
and Lower Sorbian. Ukrainian dialects and to a lesser degree Belarusian have been influenced by neighbouring Polish, due to the historical ties with the Polish–Lithuanian Commonwealth.


South Slavic continuum

All South Slavic languages form a dialect continuum. It comprises, from West to East, Slovenia,
Croatia , image_flag = Flag of Croatia.svg , image_coat = Coat of arms of Croatia.svg , anthem = "Lijepa naša domovino"("Our Beautiful Homeland") , image_map = , map_caption = , capit ...
,
Bosnia and Herzegovina Bosnia and Herzegovina ( sh, / , ), abbreviated BiH () or B&H, sometimes called Bosnia–Herzegovina and often known informally as Bosnia, is a country at the crossroads of south and southeast Europe, located in the Balkans. Bosnia and ...
, Montenegro, Serbia, North Macedonia, and
Bulgaria Bulgaria (; bg, България, Bǎlgariya), officially the Republic of Bulgaria,, ) is a country in Southeast Europe. It is situated on the eastern flank of the Balkans, and is bordered by Romania to the north, Serbia and North Mac ...
. Standard Slovene,
Macedonian Macedonian most often refers to someone or something from or related to Macedonia. Macedonian(s) may specifically refer to: People Modern * Macedonians (ethnic group), a nation and a South Slavic ethnic group primarily associated with North M ...
, and Bulgarian are each based on a distinct dialect, but the Bosnian, Croatian, Montenegrin, and Serbian
standard varieties A standard language (also standard variety, standard dialect, and standard) is a language variety that has undergone substantial codification of grammar and usage, although occasionally the term refers to the entirety of a language that includes ...
of the pluricentric Serbo-Croatian language are all based on the same dialect, Shtokavian. Therefore, Croats, Serbs,
Bosniaks The Bosniaks ( bs, Bošnjaci, Cyrillic: Бошњаци, ; , ) are a South Slavic ethnic group native to the Southeast European historical region of Bosnia, which is today part of Bosnia and Herzegovina, who share a common Bosnian ancestry ...
and Montenegrins communicate fluently with each other in their respective standardized varieties. In
Croatia , image_flag = Flag of Croatia.svg , image_coat = Coat of arms of Croatia.svg , anthem = "Lijepa naša domovino"("Our Beautiful Homeland") , image_map = , map_caption = , capit ...
, native speakers of Shtokavian may struggle to understand distinct Kajkavian or Chakavian dialects, as might the speakers of the two with each other. Likewise in Serbia, the Torlakian dialect differs significantly from Standard Serbian. Serbian is a Western South Slavic standard, but Torlakian is largely transitional with the Eastern South Slavic languages (Bulgarian and Macedonian). Collectively, the Torlakian dialects with Macedonian and Bulgarian share many grammatical features that set them apart from all other Slavic languages, such as the complete loss of its grammatical case systems and adoption of features more commonly found among analytic languages. The barrier between ''East South Slavic'' and ''West South Slavic'' is historical and natural, caused primarily by a one-time geographical distance between speakers. The two varieties started diverging early on (circa 11th century CE) and evolved separately ever since without major mutual influence, as evidenced by distinguishable Old Slavonic, while the western dialect of common Old Slavic was still spoken across the modern Serbo-Croatian area in the 12th and early 13th centuries. An intermediate dialect linking western and eastern variations inevitably came into existence over time – Torlakian – spoken across a wide radius on which the tripoint of
Bulgaria Bulgaria (; bg, България, Bǎlgariya), officially the Republic of Bulgaria,, ) is a country in Southeast Europe. It is situated on the eastern flank of the Balkans, and is bordered by Romania to the north, Serbia and North Mac ...
, North Macedonia and Serbia is relatively pivotal.


Uralic languages

The other major language family in Europe besides Indo-European are the Uralic languages. The
Sami languages Acronyms * SAMI, ''Synchronized Accessible Media Interchange'', a closed-captioning format developed by Microsoft * Saudi Arabian Military Industries, a government-owned defence company * South African Malaria Initiative, a virtual expertise net ...
, sometimes mistaken for a single language, are a dialect continuum, albeit with some disconnections like between North, Skolt and Inari Sami. The Baltic-Finnic languages spoken around the
Gulf of Finland The Gulf of Finland ( fi, Suomenlahti; et, Soome laht; rus, Фи́нский зали́в, r=Finskiy zaliv, p=ˈfʲinskʲɪj zɐˈlʲif; sv, Finska viken) is the easternmost arm of the Baltic Sea. It extends between Finland to the north and E ...
form a dialect continuum. Thus, although Finnish and
Estonian Estonian may refer to: * Something of, from, or related to Estonia, a country in the Baltic region in northern Europe * Estonians, people from Estonia, or of Estonian descent * Estonian language * Estonian cuisine * Estonian culture See also

...
are separate languages, there is no definite linguistic border or isogloss that separates them. This is now more difficult to recognize because many of the intervening languages have declined or become extinct.


Goidelic continuum

The
Goidelic languages The Goidelic or Gaelic languages ( ga, teangacha Gaelacha; gd, cànanan Goidhealach; gv, çhengaghyn Gaelgagh) form one of the two groups of Insular Celtic languages, the other being the Brittonic languages. Goidelic languages historically ...
consist of Irish,
Scottish Scottish usually refers to something of, from, or related to Scotland, including: *Scottish Gaelic, a Celtic Goidelic language of the Indo-European language family native to Scotland *Scottish English *Scottish national identity, the Scottish ide ...
and
Manx Manx (; formerly sometimes spelled Manks) is an adjective (and derived noun) describing things or people related to the Isle of Man: * Manx people **Manx surnames * Isle of Man It may also refer to: Languages * Manx language, also known as Manx ...
. Prior to the 19th and 20th centuries, the continuum existed throughout Ireland, the Isle of Man and Scotland. Many intermediate dialects have become extinct or have died out leaving major gaps between languages such as in the islands of Rathlin, Arran or Kintyre and also in the Irish counties or Antrim, Londonderry and
Down Down most often refers to: * Down, the relative direction opposed to up * Down (gridiron football), in American/Canadian football, a period when one play takes place * Down feather, a soft bird feather used in bedding and clothing * Downland, a ty ...
. The current Goidelic speaking areas of Ireland are also separated by extinct dialects but remain mutually intelligible.


Middle East


Arabic

Arabic Arabic (, ' ; , ' or ) is a Semitic language spoken primarily across the Arab world.Semitic languages: an international handbook / edited by Stefan Weninger; in collaboration with Geoffrey Khan, Michael P. Streck, Janet C. E.Watson; Walte ...
is a standard case of diglossia. The standard written language, Modern Standard Arabic, is based on the
Classical Arabic Classical Arabic ( ar, links=no, ٱلْعَرَبِيَّةُ ٱلْفُصْحَىٰ, al-ʿarabīyah al-fuṣḥā) or Quranic Arabic is the standardized literary form of Arabic used from the 7th century and throughout the Middle Ages, most notab ...
of the Qur'an, while the modern vernacular dialects (or languages) branched from ancient Arabic dialects, from North Western
Africa Africa is the world's second-largest and second-most populous continent, after Asia in both cases. At about 30.3 million km2 (11.7 million square miles) including adjacent islands, it covers 6% of Earth's total surface area ...
through
Egypt Egypt ( ar, مصر , ), officially the Arab Republic of Egypt, is a transcontinental country spanning the northeast corner of Africa and southwest corner of Asia via a land bridge formed by the Sinai Peninsula. It is bordered by the Med ...
,
Sudan Sudan ( or ; ar, السودان, as-Sūdān, officially the Republic of the Sudan ( ar, جمهورية السودان, link=no, Jumhūriyyat as-Sūdān), is a country in Northeast Africa. It shares borders with the Central African Republic t ...
, and the Fertile Crescent to the
Arabian Peninsula The Arabian Peninsula, (; ar, شِبْهُ الْجَزِيرَةِ الْعَرَبِيَّة, , "Arabian Peninsula" or , , "Island of the Arabs") or Arabia, is a peninsula of Western Asia, situated northeast of Africa on the Arabian Pl ...
and Iraq. The dialects use different analogues from the Arabic language inventory and have been influenced by different substrate and superstrate languages. Adjacent dialects are mutually understandable to a large extent, but those from distant regions are more difficult to be understood. The difference between the written standard and the vernaculars is apparent also in the written language, and children have to be taught Modern Standard Arabic in school to be able to read it.


Aramaic

All
modern Aramaic The Neo-Aramaic or Modern Aramaic languages are varieties of Aramaic that evolved during the late medieval and early modern periods, and continue to the present day as vernacular (spoken) languages of modern Aramaic-speaking communities. Within ...
languages descend from a dialect continuum that historically existed before the Islamicization of the Levant and Mesopotamia.
Northeastern Neo-Aramaic Northeastern Neo-Aramaic (NENA) is a grouping of related dialects of Neo-Aramaic spoken before World War I as a vernacular language by Jews and Christians between the Tigris and Lake Urmia, stretching north to Lake Van and southwards to Mosul and ...
, including distinct varieties spoken by both Jews and Christians, is a dialect continuum although greatly disrupted by population displacement during the twentieth century.


Kurdish

The Kurdish language is considered as a dialect continuum of many varieties and the three main varieties are Northern Kurdish (Kurmanji), Central Kurdish (Sorani), and Southern Kurdish (Xwarîn).


Persian

The Persian language in its various varieties ( Tajiki and Dari), is representative of a dialect continuum. The divergence of Tajik was accelerated by the shift from the Perso-Arabic alphabet to a Cyrillic one under the Soviets. Western dialects of Persian show greater influence from Arabic and Oghuz Turkic languages, but Dari and Tajik tend to preserve many classical features in grammar and vocabulary. Also the Tat language, a dialect of Persian, is spoken in Azerbaijan.


Turkic

Turkic languages are best described as a dialect continuum. Geographically this continuum starts at the
Balkans The Balkans ( ), also known as the Balkan Peninsula, is a geographical area in southeastern Europe with various geographical and historical definitions. The region takes its name from the Balkan Mountains that stretch throughout the who ...
in the west with Balkan Turkish, includes
Turkish Turkish may refer to: *a Turkic language spoken by the Turks * of or about Turkey ** Turkish language *** Turkish alphabet ** Turkish people, a Turkic ethnic group and nation *** Turkish citizen, a citizen of Turkey *** Turkish communities and mi ...
in Turkey and
Azerbaijani language Azerbaijani () or Azeri (), also referred to as Azeri Turkic or Azeri Turkish, is a Turkic language from the Oghuz sub-branch spoken primarily by the Azerbaijani people, who live mainly in the Republic of Azerbaijan where the North Azerbaija ...
in Azerbaijan, extends into Iran with Azeri and Khalaj, into Iraq with
Turkmen Turkmen, Türkmen, Turkoman, or Turkman may refer to: Peoples Historical ethnonym * Turkoman (ethnonym), ethnonym used for the Oghuz Turks during the Middle Ages Ethnic groups * Turkmen in Anatolia and the Levant (Seljuk and Ottoman-Turkish desc ...
, across Central Asia to include Turkmenistan, Uzbekistan, Kazakhstan, Kyrgyzstan, to southern Regions of Tajikistan and into
Afghanistan Afghanistan, officially the Islamic Emirate of Afghanistan,; prs, امارت اسلامی افغانستان is a landlocked country located at the crossroads of Central Asia and South Asia. Referred to as the Heart of Asia, it is bord ...
. In the south, the continuum starts in northern Afghanistan, northward to
Chuvashia Chuvashia (russian: Чувашия; cv, Чӑваш Ен), officially the Chuvash Republic — Chuvasia,; cv, Чӑваш Республики — Чӑваш Ен is a republic of Russia located in Eastern Europe. It is the homeland of the Chuv ...
. In the east it extends to the Republic of Tuva, the Xinjiang autonomous region in Western China with the
Uyghur language The Uyghur or Uighur language (; , , , or , , , , CTA: Uyğurçä; formerly known as Eastern Turki), is a Turkic language written in a Uyghur Perso-Arabic script with 8-11 million speakers, spoken primarily by the Uyghur people in the Xin ...
and into Mongolia with Khoton. The entire territory is inhabited by Turkic speaking peoples. There are three varieties of Turkic geographically outside the continuum: Chuvash, Yakut and Dolgan. They have been geographically separated from the other Turkic languages for an extensive period of time, and Chuvash language stands out as the most divergent from other Turkic languages. There are also Gagauz speakers in Moldavia and Urum speakers in
Georgia Georgia most commonly refers to: * Georgia (country), a country in the Caucasus region of Eurasia * Georgia (U.S. state), a state in the Southeast United States Georgia may also refer to: Places Historical states and entities * Related to t ...
. The Turkic continuum makes internal genetic classification of the languages problematic. Chuvash, Khalaj and Yakut are generally classified as significantly distinct, but the remaining Turkic languages are quite similar, with a high degree of mutual intelligibility between not only geographically adjacent varieties but also among some varieties some distance apart. Structurally, the Turkic languages are very close to one another, and they share basic features such as SOV word order,
vowel harmony In phonology, vowel harmony is an Assimilation (linguistics), assimilatory process in which the vowels of a given domain – typically a phonological word – have to be members of the same natural class (thus "in harmony"). Vowel harmony is t ...
and
agglutination In linguistics, agglutination is a morphological process in which words are formed by stringing together morphemes, each of which corresponds to a single syntactic feature. Languages that use agglutination widely are called agglutinative la ...
.


Indo-Aryan languages

Many of the Indo-Aryan languages of the Indian subcontinent form a dialect continuum. What is called " Hindi" in India is frequently
Standard Hindi Hindi (Devanāgarī: or , ), or more precisely Modern Standard Hindi (Devanagari: ), is an Indo-Aryan language spoken chiefly in the Hindi Belt region encompassing parts of northern, central, eastern, and western India. Hindi has been de ...
, the Sanskritized register of the colloquial
Hindustani Hindustani may refer to: * something of, from, or related to Hindustan (another name of India) * Hindustani language, an Indo-Aryan language, whose two official norms are Hindi and Urdu * Fiji Hindi, a variety of Eastern Hindi spoken in Fiji, and ...
spoken in the Delhi area, the other register being Urdu. However, the term Hindi is also used for the different dialects from
Bihar Bihar (; ) is a state in eastern India. It is the 2nd largest state by population in 2019, 12th largest by area of , and 14th largest by GDP in 2021. Bihar borders Uttar Pradesh to its west, Nepal to the north, the northern part of West ...
to Rajasthan and, more widely, some of the Eastern and Northern dialects are sometimes grouped under Hindi. The Indo-Aryan Prakrits also gave rise to languages like Gujarati,
Assamese Assamese may refer to: * Assamese people, a socio-ethnolinguistic identity of north-eastern India * People of Assam, multi-ethnic, multi-linguistic and multi-religious people of Assam * Assamese language, one of the easternmost Indo-Aryan language ...
, Maithili, Bengali,
Odia Odia, also spelled Oriya or Odiya, may refer to: * Odia people in Odisha, India * Odia language, an Indian language, belonging to the Indo-Aryan branch of the Indo-European language family * Odia alphabet, a writing system used for the Odia languag ...
,
Nepali Nepali or Nepalese may refer to : Concerning Nepal * Anything of, from, or related to Nepal * Nepali people, citizens of Nepal * Nepali language, an Indo-Aryan language found in Nepal, the current official national language and a language spoken ...
,
Marathi Marathi may refer to: *Marathi people, an Indo-Aryan ethnolinguistic group of Maharashtra, India *Marathi language, the Indo-Aryan language spoken by the Marathi people *Palaiosouda, also known as Marathi, a small island in Greece See also * * ...
, Konkani and
Punjabi Punjabi, or Panjabi, most often refers to: * Something of, from, or related to Punjab, a region in India and Pakistan * Punjabi language * Punjabi people * Punjabi dialects and languages Punjabi may also refer to: * Punjabi (horse), a British Th ...
.


Chinese

Chinese consists of hundreds of local varieties, many of which are not
mutually intelligible In linguistics, mutual intelligibility is a relationship between languages or dialects in which speakers of different but related varieties can readily understand each other without prior familiarity or special effort. It is sometimes used as an ...
. p. 72. The differences are similar to those within the Romance languages, which are similarly descended from a language spread by imperial expansion over substrate languages 2000 years ago. Unlike Europe, however, Chinese political unity was restored in the late 6th century and has persisted (with interludes of division) until the present day. There are no equivalents of the local standard literary languages that developed in the numerous independent states of Europe. Chinese dialectologists have divided the local varieties into a number of dialect groups, largely based on phonological developments in comparison with Middle Chinese. Most of these groups are found in the rugged terrain of the southeast, reflecting the greater variation in this area, particularly in Fujian. Each of these groups contains numerous mutually unintelligible varieties. Moreover, in many cases the transitions between groups are smooth, as a result of centuries of interaction and multilingualism. The boundaries between the northern
Mandarin Mandarin or The Mandarin may refer to: Language * Mandarin Chinese, branch of Chinese originally spoken in northern parts of the country ** Standard Chinese or Modern Standard Mandarin, the official language of China ** Taiwanese Mandarin, Stand ...
area and the central groups, Wu, Gan and Xiang, are particularly weak, due to the steady flow of northern features into these areas. Transitional varieties between the Wu, Gan and Mandarin groups have been variously classified, with some scholars assigning them to a separate Hui group. The boundaries between Gan, Hakka and Min are similarly indistinct.
Pinghua Pinghua (; Yale romanization of Cantonese, Yale: ''Pìhng Wá''; sometimes disambiguated as /) is a pair of Sinitic languages spoken mainly in parts of the Guangxi, Guangxi Zhuang Autonomous Region, with some speakers in Hunan province. Pinghua ...
and Yue form a dialect continuum (excluding urban enclaves of Cantonese). There are sharper boundaries resulting from more recent expansion between Hakka and Yue, and between
Southwestern Mandarin Southwestern Mandarin (), also known as Upper Yangtze Mandarin (), is a Mandarin Chinese language spoken in much of Southwest China, including in Sichuan, Yunnan, Chongqing, Guizhou, most parts of Hubei, the northwestern part of Hunan, the northe ...
and Yue, but even here there has been considerable convergence in contact areas.


Cree and Ojibwa

Cree The Cree ( cr, néhinaw, script=Latn, , etc.; french: link=no, Cri) are a Indigenous peoples of the Americas, North American Indigenous people. They live primarily in Canada, where they form one of the country's largest First Nations in Canada ...
is a group of closely related Algonquian languages that are distributed from
Alberta Alberta ( ) is one of the thirteen provinces and territories of Canada. It is part of Western Canada and is one of the three prairie provinces. Alberta is bordered by British Columbia to the west, Saskatchewan to the east, the Northwest Ter ...
to Labrador in
Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by tota ...
. They form the Cree-Montagnais-Naskapi dialect continuum, with around 117,410 speakers. The languages can be roughly classified into nine groups, from west to east: *
Plains Cree Plains Cree may refer to: * Plains Cree language * Plains Cree people Plains Indians or Indigenous peoples of the Great Plains and Canadian Prairies are the Native American tribes and First Nation band governments who have historically liv ...
(y-dialect) * Woods Cree or Woods/Rocky Cree (ð-dialect) * Swampy Cree (n-dialect) ** Eastern Swampy Cree ** Western Swampy Cree * Moose Cree (l-dialect) * East Cree or James Bay Cree (y-dialect) ** Northern East Cree ** Southern East Cree *
Atikamekw The Atikamekw are the Indigenous inhabitants of the subnational country or territory they call ('Our Land'), in the upper Saint-Maurice River valley of Quebec (about north of Montreal), Canada. Their current population is around 8,000. One o ...
(r-dialect) * Western Montagnais (l-dialect) *
Innu-aimun Innu-aimun or Montagnais is an Algonquian language spoken by over 10,000 Innu in Labrador and Quebec in Eastern Canada. It is a member of the Cree–Montagnais–Naskapi dialect continuum and is spoken in various dialects depending on the comm ...
or Eastern Montagnais (n-dialect) * Naskapi (y-dialect) Various Cree languages are used as languages of instruction and taught as subjects: Plains Cree, Eastern Cree, Montagnais, etc. Mutual intelligibility between some dialects can be low. There is no accepted standard dialect.
Ojibwa The Ojibwe, Ojibwa, Chippewa, or Saulteaux are an Anishinaabe people in what is currently southern Canada, the northern Midwestern United States, and Northern Plains. According to the U.S. census, in the United States Ojibwe people are one of ...
(Chippewa) is a group of closely related Algonquian languages in
Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by tota ...
, which is distributed from
British Columbia British Columbia (commonly abbreviated as BC) is the westernmost Provinces and territories of Canada, province of Canada, situated between the Pacific Ocean and the Rocky Mountains. It has a diverse geography, with rugged landscapes that include ...
to Quebec, and the United States, distributed from Montana to Michigan, with
diaspora A diaspora ( ) is a population that is scattered across regions which are separate from its geographic place of origin. Historically, the word was used first in reference to the dispersion of Greeks in the Hellenic world, and later Jews after ...
communities in Kansas and
Oklahoma Oklahoma (; Choctaw language, Choctaw: ; chr, ᎣᎧᎳᎰᎹ, ''Okalahoma'' ) is a U.S. state, state in the South Central United States, South Central region of the United States, bordered by Texas on the south and west, Kansas on the nor ...
. With Cree, the Ojibwe dialect continuum forms its own continuum, but the Oji-Cree language of this continuum joins the Cree–Montagnais–Naskapi dialect continuum through Swampy Cree. The Ojibwe continuum has 70,606 speakers. Roughly from northwest to southeast, it has these dialects: * Ojibwa-Ottawa ** Algonquin ** Oji-Cree (Northern Ojibwa) or Severn ** Ojibwa ***
Western Ojibwa Western Ojibwa (also known as Nakawēmowin (ᓇᐦᑲᐌᒧᐎᓐ), ''Saulteaux'', and ''Plains Ojibwa'') is a dialect of the Ojibwe language, a member of the Algonquian language family. It is spoken by the Saulteaux, a subnation of the Ojibw ...
or Saulteaux *** Chippewa (Southwestern Ojibwa) ***
Northwestern Ojibwa Northwestern Ojibwe (also known as Northern Ojibwa, Ojibway, Ojibwe) is a dialect of the Ojibwe language, spoken in Ontario and Manitoba, Canada. Ojibwe is a member of the Algonquian language family.Gordon Jr., Raymond. 2005. ''Ethnologue: Langua ...
*** Central Ojibwa or Nipissing *** Eastern Ojibwa or Mississauga ** Ottawa (Southeastern Ojibwa) *
Potawatomi The Potawatomi , also spelled Pottawatomi and Pottawatomie (among many variations), are a Native American people of the western Great Lakes region, upper Mississippi River and Great Plains. They traditionally speak the Potawatomi language, a m ...
Unlike the Cree–Montagnais–Naskapi dialect continuum, with distinct n/y/l/r/ð dialect characteristics and noticeable west-east k/č(ch) axis, the Ojibwe continuum is marked with vowel syncope along the west-east axis and ∅/n along the north-south axis.


See also

* Dialect levelling * Dialectometry * Diasystem * Diglossia * Koine language * Language secessionism * Post-creole speech continuum * Ring species, an analogous concept in ecology


Notes


References

{{DEFAULTSORT:Dialect Continuum Dialects Comparative linguistics Dialectology Language geography