Where does “ἴᾱ” come from?

ἴᾱ (Ancient Greek) comes from Proto-Indo-European éy, from Proto-Indo-European h₁e-.

Ancestry of “ἴᾱ”, step by step

StepLanguageWordMeaning
1Proto-Indo-Europeanéythe; demonstrative pronoun; this one, he
2Proto-Indo-Europeanh₁e-—

Words derived from “ἴᾱ”

Every word from Proto-Indo-European h₁e- →Every word from Proto-Indo-European éy →