Where does “брѣзьнъ” come from?

брѣзьнъ (Old Church Slavonic) comes from Proto-Slavic berzьnъ, from Proto-Slavic berza, from Proto-Balto-Slavic berźas, from Proto-Indo-European bʰerHǵos — birch.

брѣзьнъ (Old Church Slavonic): April

Definitions

  1. April

Ancestry of “брѣзьнъ”, step by step

StepLanguageWordMeaning
1Proto-SlavicberzьnъMarch; April
2Proto-Slavicberzabirch
3Proto-Balto-Slavicberźas—
4Proto-Indo-EuropeanbʰerHǵosbirch
Every word from Proto-Indo-European bʰerHǵos →Every word from Proto-Balto-Slavic berźas →Every word from Proto-Slavic berza →