Where does “азы” come from?

азы (Russian) comes from Old Church Slavonic азъ, from Proto-Slavic (j)azъ, from Proto-Balto-Slavic ēź-, from Proto-Indo-European éǵh₂ — I.

азы (Russian): ABC, nuts and bolts, elements

Definitions

  1. ABC, nuts and bolts, elements

Ancestry of “азы”, step by step

StepLanguageWordMeaning
1Old Church SlavonicазъI
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 →