Where does “fíann” come from?

fíann (Old Irish) comes from Proto-Celtic wēnos, from Proto-Indo-European wenh₁- — to love.

Ancestry of “fíann”, step by step

StepLanguageWordMeaning
1Proto-Celticwēnoshero
2Proto-Indo-Europeanwenh₁-to love

Words derived from “fíann

Every word from Proto-Indo-European wenh₁-Every word from Proto-Celtic wēnos