Where does “Brezeanu” come from?

Brezeanu (Romanian) comes from Romanian Breaza, from Slavic брѣза, from Proto-Slavic bèrza, from Proto-Balto-Slavic berźas, from Proto-Indo-European bʰerHǵos — birch.

Ancestry of “Brezeanu”, step by step

StepLanguageWordMeaning
1RomanianBreaza—
2Slavicбрѣза—
3Proto-Slavicbèrzabirch
4Proto-Balto-Slavicberźas—
5Proto-Indo-EuropeanbʰerHǵosbirch
Every word from Proto-Indo-European bʰerHǵos →Every word from Proto-Balto-Slavic berźas →Every word from Proto-Slavic bèrza →