Where does “Ezereanu” come from?

Ezereanu (Romanian) comes from Romanian Iezeru, from Romanian iezer, from Old Church Slavonic ѥзеро, from Proto-Slavic ȅzero, from Proto-Balto-Slavic *éźeran — lake.

Ancestry of “Ezereanu”, step by step

StepLanguageWordMeaning
1RomanianIezeru—
2Romanianiezermountain lake
3Old Church Slavonicѥзероlake
4Proto-Slavicȅzerolake
5Proto-Balto-Slavic*éźeranlake
Every word from Proto-Balto-Slavic *éźeran →Every word from Proto-Slavic ȅzero →Every word from Old Church Slavonic ѥзеро →