Where does “lorica” come from?

lorica (Latin) comes from Latin lorum, from Proto-Indo-European wēl-.

Ancestry of “lorica”, step by step

Step	Language	Word	Meaning
1	Latin	lorum	thong; reins of a bridle; whip, lash, scourge
2	Proto-Indo-European	wēl-	—

lorica — Etymology, Origin & Word History | Etymology Explorer