Where does “fess” come from?

fess (Old Irish) comes from Proto-Celtic wissos, from Proto-Indo-European widtós, from Proto-Indo-European weyd- — to see.

fess (Old Irish): passive singular perfect prototonic of...

Definitions

  1. passive singular perfect prototonic of...

Ancestry of “fess”, step by step

fess traces back through two separate lines of ancestry.

via Proto-Celtic wissos

StepLanguageWordMeaning
1Proto-Celticwissosknown
2Proto-Indo-Europeanwidtósseen; known
3Proto-Indo-Europeanweyd-to see

via Proto-Celtic woseti

StepLanguageWordMeaning
1Proto-Celticwosetito spend the night
2Proto-Indo-Europeanh₂wes-to dwell, live, reside; to stay, spend the night

Words derived from “fess”

Every word from Proto-Indo-European weyd- →Every word from Proto-Indo-European widtós →Every word from Proto-Celtic wissos →