proto-slavic

listen to the pronunciation of proto-slavic
Английский Язык - Английский Язык
Of or pertaining to Proto-Slavic language or people who spoke it
An undocumented hypothetical language from which all the Slavic languages later emerged
Proto-Balto-Slavic
The hypothetical ancestor language or protolanguage of Baltic and Slavic languages, descending from Proto-Indo-European