Where does “jestli” come from?

jestli (Old Polish) comes 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.

jestli (Old Polish): introduces a conditional; if

Definitions

  1. introduces a conditional; if

Ancestry of “jestli”, step by step

jestli traces back through two separate lines of ancestry.

via Czech být

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

via Old Polish li

StepLanguageWordMeaning
1Old Polishliinterrogative particle: introduces a yes-no question
2Proto-Slavicliquestion-forming interrogative particle

Words derived from “jestli”

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