Where does “ei” come from?

ei (Proto-Armenian) comes from Proto-Armenian eti, from Proto-Indo-European *h₁ésti.

Ancestry of “ei”, step by step

StepLanguageWordMeaning
1Proto-Armenianeti—
2Proto-Indo-European*h₁ésti—

Words derived from “ei”

Every word from Proto-Indo-European *h₁ésti →Every word from Proto-Armenian eti →