Where does “Będ-” come from?

Będ- (Polish) comes from Polish być, from Polish móc, from Old Polish móc, from Proto-Slavic moťь, from Proto-Indo-European mógʰtis, from Proto-Indo-European meǵʰ- — to be able.

Ancestry of “Będ-”, step by step

StepLanguageWordMeaning
1Polishbyćto be
2Polishmócto be able; may, might; to be allowed
3Old Polishmóccan, may, to be able to
4Proto-Slavicmoťьpower
5Proto-Indo-Europeanmógʰtis—
6Proto-Indo-Europeanmeǵʰ-to be able

Words derived from “Będ-”

Every word from Proto-Indo-European meǵʰ- →Every word from Proto-Indo-European mógʰtis →Every word from Proto-Slavic moťь →