Where does “Fionn” come from?

Fionn (Irish) comes from Old Irish find, from Proto-Celtic Kʷennowindos, from Proto-Celtic windos, from Proto-Indo-European windo-, from Proto-Indo-European weyd- — to see.

Fionn (Irish): fair (of hair or complexion)

Definitions

  1. fair (of hair or complexion)

Ancestry of “Fionn”, step by step

Fionn traces back through two separate lines of ancestry.

via Old Irish find

StepLanguageWordMeaning
1Old Irishfindwhite
2Proto-CelticKʷennowindoswhite-headed, white-faced
3Proto-Celticwindoswhite
4Proto-Indo-Europeanwindo-
5Proto-Indo-Europeanweyd-to see

via Middle Irish finnaid

StepLanguageWordMeaning
1Middle Irishfinnaidto find out
2Old Irishro·finnadarto find
3Proto-Celticwindetito know, to see; find
4Indo-European*weyd-

Words derived from “Fionn

Every word from Proto-Indo-European weyd-Every word from Proto-Indo-European windo-Every word from Proto-Celtic windos