Where does “meineid” come from?

meineid (Old High German) comes from Proto-West Germanic mainaiþ, from Proto-Germanic mainaiþaz, from Proto-Germanic aiþaz, from Proto-Indo-European oyt-.

Ancestry of “meineid”, step by step

StepLanguageWordMeaning
1Proto-West Germanicmainaiþ—
2Proto-Germanicmainaiþazperjury
3Proto-Germanicaiþazoath
4Proto-Indo-Europeanoyt-—

Words derived from “meineid”

Every word from Proto-Indo-European oyt- →Every word from Proto-Germanic aiþaz →Every word from Proto-Germanic mainaiþaz →