Where does “frūks” come from?

frūks (Proto-Italic) comes from Proto-Indo-European bʰruHg- — to make use of; have enjoyment of.

Ancestry of “frūks”, step by step

Step	Language	Word	Meaning
1	Proto-Indo-European	bʰruHg-	to make use of; have enjoyment of

frūks — Etymology, Origin & Word History | Etymology Explorer