Where does “Populinum” come from?

Populinum (Latin) comes from Latin Populonia, from Latin populor, from Latin pōpulus, from Proto-Italic poplos — army.

Ancestry of “Populinum”, step by step

Step	Language	Word	Meaning
1	Latin	Populonia	—
2	Latin	populor	I lay waste, ravage or devastate; I plunder or...
3	Latin	pōpulus	—
4	Proto-Italic	poplos	army

Populinum — Etymology, Origin & Word History | Etymology Explorer