Where does “excuse” come from?

excuse (Middle French) comes from Middle French excuser, from Old French escuser, from Latin excūsō, from Latin causa, from Old Latin caussa, from Proto-Indo-European kawd-teh₂.

Ancestry of “excuse”, step by step

StepLanguageWordMeaning
1Middle Frenchexcuserto excuse; to pardon
2Old Frenchescuserto excuse oneself; to make excuses
3Latinexcūsōto excuse, allege in excuse, free from a charge
4Latincausacause, reason; case, claim, contention; motive,...
5Old Latincaussacause, reason, purpose; case, claim; Archaic form...
6Proto-Indo-Europeankawd-teh₂

Words derived from “excuse

Every word from Proto-Indo-European kawd-teh₂Every word from Old Latin caussaEvery word from Latin causa