Downstep is a phenomenon in

tone languages Tone is the use of pitch in language to distinguish lexical or grammatical meaning – that is, to distinguish or to inflect words. All verbal languages use pitch to express emotional and other paralinguistic information and to convey emph ...

in which if two syllables have the same tone (for example, both with a high tone or both with a low tone), the second syllable is lower in pitch than the first. Two main kinds of downstep can be distinguished. The first, more usually called automatic downstep,

downdrift In phonetics, downdrift (also known as ''automatic downstep'') is the cumulative lowering of pitch in the course of a sentence due to interactions among tones in a tonal language Tone is the use of pitch in language to distinguish lexical ...

or catathesis, occurs when high and low tones come in the sequence H L (L) H; the second high tone tends to be lower than the first because of the intervening low toned syllable. That phenomenon is common in African languages, such as Chichewa. It has also been argued that the same phenomenon is heard in English sentences, if these sentences are pronounced with a falling intonation, for example ''I really believe Ebenezer was a dealer in magnesium'', or ''I bought blueberries, bayberries, raspberries, mulberries, and brambleberries''. Downstep proper, or non-automatic downstep, is another phenomenon found in many African languages such as

Igbo Igbo may refer to: * Igbo people, an ethnic group of Nigeria * Igbo language, their language * anything related to Igboland, a cultural region in Nigeria See also * Ibo (disambiguation) * Igbo mythology * Igbo music * Igbo art * * Igbo-Ukwu, a ...

. for an overview of downstep in African languages.) If two high tones are in succeeding syllables (thus in the sequence H H), and the second is lower than the first, there is said to be a downstep. The symbol for the second kind of downstep in the

International Phonetic Alphabet The International Phonetic Alphabet (IPA) is an alphabetic system of phonetic transcription, phonetic notation based primarily on the Latin script. It was devised by the International Phonetic Association in the late 19th century as a standa ...

is a superscript down arrow, (^↓). It is common to see instead a superscript

exclamation mark The exclamation mark, , or exclamation point (American English), is a punctuation mark usually used after an interjection or exclamation to indicate strong feelings or to show emphasis. The exclamation mark often marks the end of a sentence, f ...

(^!) because of typographic constraints, though technically that would mean an incompletely or lightly articulated

alveolar click The alveolar or postalveolar clicks are a family of click consonants found only in Africa and in the Damin ritual jargon of Australia. The tongue is more or less concave (depending on the language), and is pulled down rather than back as in t ...

release. It has been shown that in most, if not all, cases of downstep proper, the lowering of the second high tone occurs when an intervening low-toned syllable has dropped out. What was H (L) H has become HH. The missing low-toned syllable creates what is known as a '

floating tone A floating tone is a morpheme or element of a morpheme that contains neither consonants nor vowels, but only tone. It cannot be pronounced by itself but affects the tones of neighboring morphemes. An example occurs in Bambara, a Mande language o ...

'. An example occurs in Bambara, a language spoken in

Mali Mali (; ), officially the Republic of Mali,, , ff, 𞤈𞤫𞤲𞥆𞤣𞤢𞥄𞤲𞤣𞤭 𞤃𞤢𞥄𞤤𞤭, Renndaandi Maali, italics=no, ar, جمهورية مالي, Jumhūriyyāt Mālī is a landlocked country in West Africa. Mali ...

. In Bambara, the

definite article An article is any member of a class of dedicated words that are used with noun phrases to mark the identifiability of the referents of the noun phrases. The category of articles constitutes a part of speech. In English, both "the" and "a(n)" ar ...

is a floating low tone. With a noun in isolation, it docks to the preceding vowel and turns a high tone into a falling tone: However, when it occurs between two high tones, it downsteps the following tone:

References

Bibliography

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