Proper noun
Proto-Bantu
The hypothetical protolanguage of the Bantu languages.
A polyplural noun class is a plural class for more than one singular class. citation For example, Proto-Bantu class 10 contains plurals of class 9 nouns and class 11 nouns, while class 6 contains plurals of class 5 nouns and class 15 nouns. Source: Internet
Language structure Guthrie reconstructed both the phonemic inventory and the vocabulary of Proto-Bantu. Source: Internet
The Proto-Bantu class 12 disappeared in Swahili, class 13 merged with 7, and 14 with 11. Class prefixes appear also on adjectives and verbs, e.g.: :Kitabu kikubwa kinaanguka. Source: Internet