Where does “jeziero” come from?

jeziero (Old Polish) comes from Proto-Slavic ȅzero, from Proto-Balto-Slavic *éźeran — lake.

Ancestry of “jeziero”, step by step

StepLanguageWordMeaning
1Proto-Slavicȅzerolake
2Proto-Balto-Slavic*éźeranlake

Words derived from “jeziero

Every word from Proto-Balto-Slavic *éźeranEvery word from Proto-Slavic ȅzero