Where does “oathbreaking” come from?

oathbreaking (English) comes from English oath, from Middle English ooth, from Old English āþ, from Proto-West Germanic aiþ, from Proto-Germanic aiþaz, from Proto-Indo-European oyt-.

oathbreaking (English): The violation of an oath; perjury

Definitions

  1. The violation of an oath; perjury

Ancestry of “oathbreaking”, step by step

oathbreaking traces back through two separate lines of ancestry.

via English oath

StepLanguageWordMeaning
1EnglishoathA solemn pledge or promise, appealing to a deity,...
2Middle Englishooth
3Old Englishāþoath
4Proto-West Germanicaiþoath
5Proto-Germanicaiþazoath
6Proto-Indo-Europeanoyt-

via English breaking

StepLanguageWordMeaning
1Englishbreakingpresent participle of break; The act by which...
Every word from Proto-Indo-European oyt-