Where does “in·fét” come from?

in·fét (Old Irish) comes from Proto-Celtic *weideti, from Proto-Indo-European weyd- — to see.

Ancestry of “in·fét”, step by step

Step	Language	Word	Meaning
1	Proto-Celtic	*weideti	—
2	Proto-Indo-European	weyd-	to see

in·fét — Etymology, Origin & Word History | Etymology Explorer