Where does “pectendus” come from?

pectendus (Latin) comes from Latin pecto, from Proto-Indo-European peḱ- — to pluck; livestock; wealth.

Definitions

Step	Language	Word	Meaning
1	Latin	pecto	I comb; I card, heckle, comb; I hoe, weed
2	Proto-Indo-European	peḱ-	to pluck; livestock; wealth

pectendus — Etymology, Origin & Word History | Etymology Explorer