Where does “ѣдъ” come from?

ѣдъ (Old East Slavic) comes from Proto-Slavic ědъ, from Proto-Slavic ěsti, from Proto-Balto-Slavic ēˀstei, from Proto-Indo-European h₁édti, from Proto-Indo-European h₁ed- — to eat.

Ancestry of “ѣдъ”, step by step

StepLanguageWordMeaning
1Proto-Slavicědъeating
2Proto-Slavicěstito eat
3Proto-Balto-Slavicēˀsteito eat
4Proto-Indo-Europeanh₁édtito eat
5Proto-Indo-Europeanh₁ed-to eat

Words derived from “ѣдъ

Every word from Proto-Indo-European h₁ed-Every word from Proto-Indo-European h₁édtiEvery word from Proto-Balto-Slavic ēˀstei