Where does “fièvre” come from?

fièvre (Norman) comes 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.

fièvre (Norman): fever

Definitions

fever

Ancestry of “fièvre”, step by step

Step	Language	Word	Meaning
1	Old French	fievre	fever
2	Latin	febris	fever
3	Proto-Italic	*feɣʷris	fever
4	Proto-Indo-European	dʰegʷʰris	—
5	Proto-Indo-European	dʰegʷʰ-	to burn; warm, hot

Every word from Proto-Indo-European dʰegʷʰ- →Every word from Proto-Indo-European dʰegʷʰris →Every word from Proto-Italic *feɣʷris →