Where does “caus” come from?

caus (Old Irish) comes from Latin causa, from Old Latin caussa, from Proto-Indo-European kawd-teh₂.

Ancestry of “caus”, step by step

StepLanguageWordMeaning
1Latincausacause, reason; case, claim, contention; motive,...
2Old Latincaussacause, reason, purpose; case, claim; Archaic form...
3Proto-Indo-Europeankawd-teh₂—

Words derived from “caus”

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