Where does “februaro” come from?
februaro (Esperanto) comes from German Februar, 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.
februaro (Esperanto): February
Ancestry of “februaro”, step by step