Where does “febril” come from?

febril (Romanian) comes from French fébrile, from Latin febrilis, from Latin febris, from Proto-Italic *feɣʷris, from Proto-Indo-European dʰegʷʰris, from Proto-Indo-European dʰegʷʰ- — to burn; warm, hot.

febril (Romanian): febrile

Definitions

febrile

Ancestry of “febril”, step by step

Step	Language	Word	Meaning
1	French	fébrile	febrile, feverous, feverish
2	Latin	febrilis	feverish
3	Latin	febris	fever
4	Proto-Italic	*feɣʷris	fever
5	Proto-Indo-European	dʰegʷʰris	—
6	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 →