protolanguage

美 ['proʊtoʊˌlæŋgwɪdʒ]

英 [ˌprəʊtə'læŋgwɪdʒ]

网络原始语；原始母语；原始语言

复数：protolanguages

英英

网络释义

n.	1. a recorded or reconstructed language that is the ancestor of another language or family of languages