Where does “fán” come from?

fán (Old Irish) comes from Proto-Celtic *wāgnā, from Proto-Indo-European wāg- — to be bent.

Ancestry of “fán”, step by step

StepLanguageWordMeaning
1Proto-Celtic*wāgnāslope, hollow, depression
2Proto-Indo-Europeanwāg-to be bent

Words derived from “fán”

Every word from Proto-Indo-European wāg- →Every word from Proto-Celtic *wāgnā →
fán — Etymology, Origin & Word History | Etymology Explorer