Where does “березняк” come from?
березняк (Russian) comes from Russian берёза, from Old East Slavic береза, from Proto-Slavic bèrza, from Proto-Balto-Slavic berźas, from Proto-Indo-European bʰerHǵos — birch.
березняк (Russian): birch forest; birch wood
Ancestry of “березняк”, step by step