Where does “Jaz” come from?

Jaz (Polish) comes from Proto-Slavic ězъ, from Proto-Balto-Slavic ēź-, from Proto-Indo-European éǵh₂ — I.

Ancestry of “Jaz”, step by step

StepLanguageWordMeaning
1Proto-Slavicězъweir
2Proto-Balto-Slavicēź-—
3Proto-Indo-Europeanéǵh₂I
Every word from Proto-Indo-European éǵh₂ →Every word from Proto-Balto-Slavic ēź- →Every word from Proto-Slavic ězъ →
Jaz — Etymology, Origin & Word History | Etymology Explorer