Where does “eedgenot” come from?

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

Ancestry of “eedgenot”, step by step

StepLanguageWordMeaning
1Alemannic GermanEidgenoss
2GermanEidoath
3Middle High Germaneit
4Old High Germaneidoath
5Proto-West Germanicaiþoath
6Proto-Germanicaiþazoath
7Proto-Indo-Europeanoyt-
Every word from Proto-Indo-European oyt-Every word from Proto-Germanic aiþazEvery word from Proto-West Germanic aiþ