Proto-DeneWiktionary 原文英美构词拆解proto-前缀+Dene词干proto-An early, primitive stage of development. · Original, older.词源说明From proto- + Dene.释义专有名词proper noun1Synonym of Proto-Athabaskan (“ancestor of the Athabaskan languages”).形容词adjective1Of or pertaining to the Proto-Dene language or the people who spoke it.