The total number of Bantu languages is uncertain. The most important is Swahili (see Swahili language), spoken as a first language by more than 30 million people, chiefly in Kenya, Tanzania, Congo (Kinshasa), and Uganda. As the chief trade language of E Africa, it is understood by perhaps an additional 20 million. Other significant Bantu languages include Zulu, Xhosa, Sotho, and Setswana, which are spoken respectively by 9 million, 7 million, 5 million, and 4 million persons, all living in South Africa, Lesotho, and Botswana; Makua and Thonga, the languages respectively of 4 million and 3 million people, chiefly in Mozambique; Bemba, the language of over 3 million in Zambia and Congo (Kinshasa); Shona, with 8 million speakers in Zimbabwe and Mozambique; Kikuyu, native to 6 million in Kenya; Ganda, the language of 4 million in Uganda; Ruanda, spoken by 8 million in Rwanda, Uganda, and Congo (Kinshasa); Rundi, the language of 6 million in Burundi and Congo (Kinshasa); Mbundu, native to 6 million in Angola; Luba, with 7 million speakers in Congo (Kinshasa); Kongo, the language of 4 million in Congo (Brazzaville), Congo (Kinshasa), and Angola; and Lingala, spoken by 6 million in Congo (Kinshasa).
All of the Bantu languages are tonal, except perhaps Swahili. Tones are used to indicate differences in meaning. Grammatically, nouns belong to a number of classes, each of which has its pair of prefixes, one to denote the singular and the other the plural. Linguists have not yet discovered a logical basis for most of the many different noun classes. Although they are not based on sex, these classes have been compared to the genders of Indo-European tongues. The class prefix of a noun is attached to every word that is connected grammatically with this noun, whether adjective, verb, or other part of speech. The following example from Swahili illustrates the nature of such agreement: m-thu m-zuri, "handsome man," but wu-thu wu-zuri, "handsome men." The Bantu verb consists of a stem to which are added one or more prefixes (with the exception of the imperative) and also one or more suffixes. The verbal suffixes relate to person, number, negation, tense, voice, and mood. Suffixes added to certain stems can form nouns and verbs, especially of a derivational nature.
See M. A. Bryan, ed., The Bantu Languages of Africa (1959); M. Guthrie, The Classification of the Bantu Languages (1948, repr. 1967) and Comparative Bantu (4 vol., 1967-71).
Group of some 500 languages belonging to the Benue-Congo language branch of the Niger-Congo language family. They are spoken by more than 200 million people in a very large area, including most of Africa from southern Cameroon eastward to Kenya and southward to the southernmost tip of the continent. Twelve Bantu languages, including Rundi (Kirundi), Rwanda (Kinyarwanda), Shona, Zulu, and Xhosa, are spoken by more than 5 million people.
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The Bantu languages (technically Narrow Bantu languages) constitute a grouping belonging to the Niger-Congo family. This grouping is deep down in the genealogical tree of the Bantoid grouping, which in turn is deep down in the Niger-Congo tree. By one estimate, there are 513 languages in the Bantu grouping, 681 languages in Bantoid, and 1,514 in Niger-Congo. Bantu languages are spoken largely east and south of the present day nation of Nigeria; i.e., in the regions commonly known as central Africa, east Africa, and southern Africa. Parts of this Bantu chunk of Africa also have languages from outside the Niger-Congo family (see map).
The word Bantu was first used by Wilhelm Heinrich Immanuel Bleek (1827-1875) with the meaning 'people', as this is reflected in many of the languages of this group. A common characteristic of Bantu languages is that they use a stem form such as -ntu or -tu for 'person', and the plural prefix for people in many languages is ba-, together giving ba-ntu "people". Bleek, and later Carl Meinhof, pursued extensive comparative studies of Bantu language grammars.
The classification of the Bantu languages is still in an incipient state. There still is no well founded genetic classification. The most widely used system, the alphanumeric coding system developed by Malcolm Guthrie, is mainly areal. In recent decades, there have been at least two proposals for a genetic classification system to replace the Guthrie system. The "Tervuren" proposal of Bastin, Coupez, and Mann suffers from inferior methodology (its reliance on the "lexicostatistic" method) and the SIL proposal suffers from failure of its creators to publish their methodology. The Guthrie system needs to be updated, e.g., by the addition of languages previously overlooked. A classification system for a grouping of languages must be genetic to be scientifically valid; but for the time being, the development of a rigorous genetic classification of many subdivisions of Niger-Congo is hampered by insufficient data. Progress in this field depends on the production of extensive dictionaries for many more member languages.
The Guthrie, Tervuren, and SIL lists are compared side by side in Maho 2002
The most prominent grammatical characteristic of Bantu languages is the extensive use of affixes (see Sesotho grammar and Luganda language for detailed discussions of these affixes). Each noun belongs to a class, and each language may have several numbered classes, somewhat like genders in European languages. The class is indicated by a prefix on the noun, as well as on verbs and qualificative roots agreeing with it. Plural is indicated by a change of prefix.
The verb has a number of prefixes. In Swahili, for example, Mtoto mdogo amekisoma means 'The small child has read it [a book]'. Mtoto 'child' governs the adjective prefix m- and the verb subject prefix a-. Then comes perfect tense -me- and an object marker -ki- agreeing with implicit kitabu 'book'. Pluralizing to 'children' gives Watoto wadogo wamekisoma, and pluralizing to 'books' (vitabu) gives it Watoto wadogo wamevisoma.
Bantu words are typically made up of open syllables of the type CV (consonant-vowel) with most languages having syllables exclusively of this type. The morphological shape of Bantu words is typically CV, VCV, CVCV, VCVCV, etc; that is, any combination of CV (with possibly a V- syllable at the start). In other words, a strong claim for this language family is that almost all words end in a vowel, precisely because closed syllables (CVC) are not permissible. This tendency to avoid consonant clusters is important when words are imported from English or other non-Bantu languages. An example from Chichewa: the word "school", borrowed from English, and then transformed to fit the sound patterns of this language, is sukulu. That is, sk- has been broken up by inserting an epenthetic -u-; -u has also been added at the end of the word. Another example is buledi for "bread". Similar effects are seen in loanwords for other non-African CV languages like Japanese.
The Bantu language with the largest number of speakers is Swahili (G 40), while the Bantu languages with the most native speakers are Shona and Zulu. Judging from the history of Swahili, some linguists believe that Bantu languages are on a continuum from purely tonal languages to languages with no tone at all.
Well-known names that have reduplication include
Repetition emphasizes the repeated word in the context that it is used. For instance, "Mwenda pole hajikwai," while, "Pole pole ndio mwendo," has two to emphasize the consistency of slowness of the pace. The meaning of the former in translation is, "He who goes slowly doesn't trip," and that of the latter is, "A slow but steady pace wins the race." Haraka haraka would mean hurrying just for the sake of hurrying, reckless hurry, as in njoo! Haraka haraka [come here! Hurry, hurry].
Most are known in English without the class prefix (Swahili, Tswana, Ndebele), but are sometimes used with the (language-specific) prefix (Kiswahili, Setswana, Sindebele). The bare (prefixless) form typically does not occur in the language itself. So, in the country of Botswana the people are the Batswana, 'one person' is a 'Motswana', and the language is 'Setswana'.
Today most Bantu linguists would regard the southwards migration, or Bantu expansion, that started about 2000 years before present as originating in the region of eastern Nigeria or Cameroon.