Where does “быть” come from?

быть (Russian) comes from Old East Slavic бꙑти, from Proto-Slavic *byti, from Proto-Balto-Slavic bū́ˀtei, from Proto-Indo-European bʰuH- — to become, grow, appear.

быть (Russian): to be

Definitions

  1. to be

Ancestry of “быть”, step by step

быть traces back through two separate lines of ancestry.

via Old East Slavic бꙑти

StepLanguageWordMeaning
1Old East Slavicбꙑтиto be
2Proto-Slavic*byti
3Proto-Balto-Slavicbū́ˀteito be
4Proto-Indo-EuropeanbʰuH-to become, grow, appear

via Proto-Indo-European *h₁ésti

StepLanguageWordMeaning
1Proto-Indo-European*h₁ésti

Words derived from “быть

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