PROTOLANGUAGE Meaning of PROTOLANGUAGE in English protolanguag|e BrE AmE ˈprəʊt əʊ ˌlæŋ ɡwɪdʒ -wɪdʒ, ˌ••ˈ•• AmE \ ˈproʊt̬ oʊ-▷ protolanguag|es ɪz əz Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012