Origin of fon
- From Middle English fon, fonne, of North Germanic origin, related to Swedish fÃ¥ne (“a fool, idiot, prat") (compare Swedish fÃ¥nig (“foolish")), Icelandic fáni (“a buoyant, high-flying person", literally “a standard, flag"), from Proto-Germanic *fanô (“cloth, rag"), from Proto-Indo-European *pān- (“fabric"). Cognate with Old English fana (“a banner, standard"). More at vane.
- From Middle English fonnen, from fon, fonne (“fool").