Where does “а” come from?

а (Old Church Slavonic) comes from Proto-Slavic a, from Proto-Balto-Slavic ō, from Proto-Indo-European h₁ōd.

а (Old Church Slavonic): and; but

Definitions

  1. and; but

Ancestry of “а”, step by step

StepLanguageWordMeaning
1Proto-Slavicabut; and
2Proto-Balto-Slavicōand; but
3Proto-Indo-Europeanh₁ōd—
Every word from Proto-Indo-European h₁ōd →Every word from Proto-Balto-Slavic ō →Every word from Proto-Slavic a →
а — Etymology, Origin & Word History | Etymology Explorer