Where does “brzezień” come from?

brzezień (Old Polish) comes from Proto-Slavic berzьnь, from Proto-Slavic berza, from Proto-Balto-Slavic berźas, from Proto-Indo-European bʰerHǵos — birch.

brzezień (Old Polish): March; Adar

Definitions

  1. March; Adar

Ancestry of “brzezień”, step by step

StepLanguageWordMeaning
1Proto-SlavicberzьnьMarch; 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 →