Where does “я” come from?

я (Belarusian) comes from Old East Slavic ꙗзъ, from Proto-Slavic (j)azъ, from Proto-Balto-Slavic ēź-, from Proto-Indo-European éǵh₂ — I.

я (Belarusian): I

Definitions

  1. I

Ancestry of “я”, step by step

StepLanguageWordMeaning
1Old East SlavicꙗзъI
2Proto-Slavic(j)azъI
3Proto-Balto-Slavicēź-—
4Proto-Indo-Europeanéǵh₂I
Every word from Proto-Indo-European éǵh₂ →Every word from Proto-Balto-Slavic ēź- →Every word from Proto-Slavic (j)azъ →