Where does “*excalfāre” come from?
*excalfāre (Vulgar Latin) comes from Latin excalfaciō, from Latin calfaciō, from Latin calefaciō, from Latin faciō, from Latin -torium, from Latin -tōrius, from Latin -tor, from Proto-Italic -tōr.
Ancestry of “*excalfāre”, step by step