Oko (ɔ̀kɔ́), also known as Ogori-Magongo and Oko-Eni-Osayin, is a

dialect cluster A dialect continuum or dialect chain is a series of language varieties spoken across some geographical area such that neighboring varieties are mutually intelligible, but the differences accumulate over distance so that widely separated varie ...

spoken in

Nigeria Nigeria ( ), , ig, Naìjíríyà, yo, Nàìjíríà, pcm, Naijá , ff, Naajeeriya, kcg, Naijeriya officially the Federal Republic of Nigeria, is a country in West Africa. It is situated between the Sahel to the north and the Gulf o ...

. It appears to form a branch of the "Nupe–Oko–Idoma" () group of

Niger–Congo languages Niger–Congo is a hypothetical language family spoken over the majority of sub-Saharan Africa. It unites the Mande languages, the Atlantic-Congo languages (which share a characteristic noun class system), and possibly several smaller groups of ...

. Most Oko speakers also speak

Yoruba The Yoruba people (, , ) are a West African ethnic group that mainly inhabit parts of Nigeria, Benin, and Togo. The areas of these countries primarily inhabited by Yoruba are often collectively referred to as Yorubaland. The Yoruba constitute ...

as a second language. The language is spoken in and around the towns of Ogori and Magongo in southwestern

Kogi State Kogi State is a state in the North Central region of Nigeria, bordered to the west by the states of Ekiti and Kwara, to the north by the Federal Capital Territory, to the northeast by Nasarawa State, to the northwest by Niger State, to the s ...

, close to the

Ondo Ondo may refer to: Japan * Ondo, Hiroshima * Ondo (music), a style of folk music * ''Ondo'' class oiler, ships of the Imperial Japanese Navy Nigeria * Ondo City * Ondo State * Roman Catholic Diocese of Ondo * Ondo Kingdom (c. 1510–1899) People ...

and

Edo Edo ( ja, , , "bay-entrance" or "estuary"), also romanized as Jedo, Yedo or Yeddo, is the former name of Tokyo. Edo, formerly a ''jōkamachi'' (castle town) centered on Edo Castle located in Musashi Province, became the ''de facto'' capital of ...

state borders.

Classification

Oko is one of the

Volta–Niger languages The Volta–Niger family of languages, also known as West Benue–Congo or East Kwa, is one of the branches of the Niger–Congo language family, with perhaps 70 million speakers. Among these are the most important languages of southern Nigeria ...

. An automated computational analysis (

ASJP The Automated Similarity Judgment Program (ASJP) is a collaborative project applying computational approaches to comparative linguistics using a database of word lists. The database is open access and consists of 40-item basic-vocabulary lists ...

4) by Müller et al. (2013) grouped Oko within the

Idomoid languages The Idomoid languages are spoken primarily in Benue State of east-central Nigeria and surrounding regions. Idoma itself is an official language spoken by nearly four million people including the subgroups of Igede, Uffia, Otukpo, and Orokam. La ...

.Müller, André, Viveka Velupillai, Søren Wichmann, Cecil H. Brown, Eric W. Holman, Sebastian Sauppe, Pamela Brown, Harald Hammarström, Oleg Belyaev, Johann-Mattis List, Dik Bakker, Dmitri Egorov, Matthias Urban, Robert Mailhammer, Matthew S. Dryer, Evgenia Korovina, David Beck, Helen Geyer, Pattie Epps, Anthony Grant, and Pilar Valenzuela. 2013.
ASJP World Language Trees of Lexical Similarity: Version 4 (October 2013)
'.

Distribution

According to ''

Ethnologue ''Ethnologue: Languages of the World'' (stylized as ''Ethnoloɠue'') is an annual reference publication in print and online that provides statistics and other information on the living languages of the world. It is the world's most comprehensiv ...

'', Oko is spoken in: *

Edo State Edo, commonly known as Edo State, is a state located in the South-South geopolitical zone of Nigeria. As of 2006 National population census, the state was ranked as the 24th populated state (3,233,366) in Nigeria, However there was controversy ...

Akoko-Edo Akoko Edo is a Local Government Area in Edo State, Nigeria. Its headquarters is in the town of Igarra. It has an area of 1,371 km and a population of 262,110 at the 2006 census. The postal code of the area is 312. As of 2016, its population ...

LGA *

Okene Okene is a town in the Nigerian state of Kogi. The town is based in a Local Government Area of the same name. Okene runs along the A2 highway. It had an area of 328 km² and a population of 320,260 at the 2006 census. The predominant people ...

LGA,

Magongo Magongo may refer to: * Magongo, Nigeria, in Ogori/Magongo Local Government Area *Magongo, Kenya Magongo is a town in Mombasa County, Kenya. It is an outlying township 10 minutes northwest of Mombasa Island, situated on the Nairobi road. Magongo i ...

, and Ogori towns

Varieties

Oko is a dialect cluster consisting of (''Ethnologue''): *Oko (Ogori, Uku) *Osayin(Magongo, Osanyin) *Eni Below is a list of Ọkọ–Eni–Ọsayin language cluster names, populations, and locations from Blench (2019).

Phonology

Consonants

Vowels

Each vowel also has a

nasal Nasal is an adjective referring to the nose, part of human or animal anatomy. It may also be shorthand for the following uses in combination: * With reference to the human nose: ** Nasal administration, a method of pharmaceutical drug delivery ** ...

equivalent.Atoyebi, Joseph Dele. 2009. A Reference Grammar of Oko. Umuneke-Okpala, Nigeria: Leipzig University Press.

References

{{Niger-Congo branches Volta–Niger languages