Where does “enfiévrer” come from?
enfiévrer (French) comes from French fièvre, from Middle French fievre, from Old French fievre, from Latin febris, from Proto-Italic *feɣʷris, from Proto-Indo-European dʰegʷʰris, from Proto-Indo-European dʰegʷʰ- — to burn; warm, hot.
enfiévrer (French): to stir up, rouse
Ancestry of “enfiévrer”, step by step