Where does “jeśmy” come from?

jeśmy (Old Polish) comes from Proto-Slavic *esmъ.

Ancestry of “jeśmy”, step by step

StepLanguageWordMeaning
1Proto-Slavic*esmъ

Words derived from “jeśmy

Every word from Proto-Slavic *esmъ
jeśmy — Etymology, Origin & Word History | Etymology Explorer