Where does “wenesnom” come from?

wenesnom (Proto-Italic) comes from Proto-Indo-European wenh₁-es-no-, from Proto-Indo-European wenh₁- — to love.

Ancestry of “wenesnom”, step by step

Step	Language	Word	Meaning
1	Proto-Indo-European	wenh₁-es-no-	—
2	Proto-Indo-European	wenh₁-	to love

wenesnom — Etymology, Origin & Word History | Etymology Explorer