Meanings of linguistic groups in English

Many of South Africa's linguistic groups share a common ancestry.

Three major haplogroups, namely H, O and R, are shared across the four linguistic groups.

There are thousands of dialects in Africa -Chad alone has two hundred distinct linguistic groups.

The genomic architecture of African populations is poorly understood and there is considerable variation between ethno- linguistic groups.

Much of the early history of academic linguistics was spent reconstructing European "proto-languages", our best guesses at earlier forms of familiar linguistic groups.