Where does “trunceus” come from?

trunceus (Latin) comes from Latin truncus, from Proto-Indo-European twerḱ- — to carve, cut off, trim.

Ancestry of “trunceus”, step by step

Step	Language	Word	Meaning
1	Latin	truncus	lopped, docked; maimed, mangled, mutilated; A...
2	Proto-Indo-European	twerḱ-	to carve, cut off, trim

trunceus — Etymology, Origin & Word History | Etymology Explorer