Where does “escusar” come from?

escusar (Old Portuguese) comes from Latin excūsō, from Latin causa, from Old Latin caussa, from Proto-Indo-European kawd-teh₂.

Ancestry of “escusar”, step by step

StepLanguageWordMeaning
1Latinexcūsōto excuse, allege in excuse, free from a charge
2Latincausacause, reason; case, claim, contention; motive,...
3Old Latincaussacause, reason, purpose; case, claim; Archaic form...
4Proto-Indo-Europeankawd-teh₂—

Words derived from “escusar”

Every word from Proto-Indo-European kawd-teh₂ →Every word from Old Latin caussa →Every word from Latin causa →