Where does “зайда” come from?

зайда (Bulgarian) comes from Bulgarian и́да, from Proto-Slavic jьti, from Proto-Balto-Slavic eitei, from Proto-Indo-European h₁éyti, from Proto-Indo-European h₁ey- — to go.

Ancestry of “зайда”, step by step

StepLanguageWordMeaning
1Bulgarianи́даto go, to proceed, to change position
2Proto-Slavicjьtito go
3Proto-Balto-Slaviceiteito go
4Proto-Indo-Europeanh₁éytito go, to be going
5Proto-Indo-Europeanh₁ey-to go
Every word from Proto-Indo-European h₁ey- →