PROTOLANGUAGE
Meaning of PROTOLANGUAGE in English
transcription, транскрипция: [ ˈprō-tō-ˌlaŋ-gwij ]
noun
Date: 1948
: an assumed or recorded ancestral language
Merriam-Webster's Collegiate English vocabulary.
Энциклопедический словарь английского языка Merriam Webster.
2003