Where does “азбучный” come from?

азбучный (Russian) comes from Russian а́збука, from Proto-Slavic (j)azъ, from Proto-Balto-Slavic ēź-, from Proto-Indo-European éǵh₂ — I.

азбучный (Russian): alphabetical, especially of the Cyrillic alphabet

Definitions

  1. alphabetical, especially of the Cyrillic alphabet

Ancestry of “азбучный”, step by step

StepLanguageWordMeaning
1Russianа́збукаalphabet
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 →