Where does “repugnance” come from?

repugnance (Old French) comes from Latin repugnantia, from Latin repugnāre.

Ancestry of “repugnance”, step by step

Step	Language	Word	Meaning
1	Latin	repugnantia	resistance, opposition; contradiction,...
2	Latin	repugnāre	—

repugnance — Etymology, Origin & Word History | Etymology Explorer