Proto-Indo-European
noun /ˌprəʊtəʊ ˌɪndəʊ ˌjʊərəˈpiːən/
/ˌprəʊtəʊ ˌɪndəʊ ˌjʊrəˈpiːən/
[uncountable]- the ancient language on which all Indo-European languages are thought to be based. There are no written records of Proto-Indo-European, but experts have tried to construct it from the evidence of modern languages.Topics Languagec2