Where does “febrarius” come from?
febrarius (Late Latin) comes from Latin Februārius, from Latin Fēbrua, from Latin febris, from Proto-Italic *feɣʷris, from Proto-Indo-European dʰegʷʰris, from Proto-Indo-European dʰegʷʰ- — to burn; warm, hot.
Ancestry of “febrarius”, step by step
Words derived from “febrarius”