Where does “бьрьвьно” come from?

бьрьвьно (Old East Slavic) comes from Proto-Slavic bьrvьno.

Ancestry of “бьрьвьно”, step by step

StepLanguageWordMeaning
1Proto-Slavicbьrvьno

Words derived from “бьрьвьно

Every word from Proto-Slavic bьrvьno