Where does “eit” come from?

eit (Middle High German) comes from Old High German eid, from Proto-West Germanic aiþ, from Proto-Germanic aiþaz, from Proto-Indo-European oyt-.

Ancestry of “eit”, step by step

StepLanguageWordMeaning
1Old High Germaneidoath
2Proto-West Germanicaiþoath
3Proto-Germanicaiþazoath
4Proto-Indo-Europeanoyt-—

Words derived from “eit”

Every word from Proto-Indo-European oyt- →Every word from Proto-Germanic aiþaz →Every word from Proto-West Germanic aiþ →
eit — Etymology, Origin & Word History | Etymology Explorer