Where does “jeśli” come from?

jeśli (Polish) comes from Old Polish jestli, from Czech být, from Old Czech býti, from Proto-Slavic *byti, from Proto-Balto-Slavic bū́ˀtei, from Proto-Indo-European bʰuH- — to become, grow, appear.

jeśli (Polish): introduces a real conditional clause; if

Definitions

  1. introduces a real conditional clause; if

Ancestry of “jeśli”, step by step

StepLanguageWordMeaning
1Old Polishjestliintroduces a conditional; if
2Czechbýtto be; Jel jsem do Prahy. ― I went to Prague;...
3Old Czechbýtito be
4Proto-Slavic*byti—
5Proto-Balto-Slavicbū́ˀteito be
6Proto-Indo-EuropeanbʰuH-to become, grow, appear

Words derived from “jeśli”

Every word from Proto-Indo-European bʰuH- →Every word from Proto-Balto-Slavic bū́ˀtei →Every word from Proto-Slavic *byti →