Proto-afro-asiatic Definition

pronoun

(linguistics, uncountable) The hypothetical ancestor language or protolanguage of Afro-Asiatic languages.

Wiktionary
(anthropology, countable) A person who spoke the Proto-Afro-Asiatic language.
Wiktionary
adjective
(linguistics, anthropology) Of or pertaining to the Proto-Afro-Asiatic language, or the people who spoke it.
Wiktionary