Where does “о” come from?

о (Russian) comes from Old East Slavic о, from Proto-Slavic o(b), from Proto-Balto-Slavic ab, from Proto-Indo-European h₃ebʰi.

о (Russian): oh

Definitions

  1. oh

Ancestry of “о”, step by step

StepLanguageWordMeaning
1Old East Slavicоat, during
2Proto-Slavico(b)around, about; concerning; against, on
3Proto-Balto-Slavicab—
4Proto-Indo-Europeanh₃ebʰi—

Words derived from “о”

Every word from Proto-Indo-European h₃ebʰi →Every word from Proto-Balto-Slavic ab →Every word from Proto-Slavic o(b) →
о — Etymology, Origin & Word History | Etymology Explorer