Where does “febro” come from?
febro (Esperanto) comes from Latin febris, from Proto-Italic *feɣʷris, from Proto-Indo-European dʰegʷʰris, from Proto-Indo-European dʰegʷʰ- — to burn; warm, hot.
febro (Esperanto): fever, ague
Ancestry of “febro”, step by step