Where does “publier” come from?

publier (Old French) comes from Latin publicāre, from Latin pūblicus, from Old Latin poplicus, from Latin pōpulus, from Proto-Italic poplos — army.

Ancestry of “publier”, step by step

Step	Language	Word	Meaning
1	Latin	publicāre	—
2	Latin	pūblicus	—
3	Old Latin	poplicus	Alternative form of publicus
4	Latin	pōpulus	—
5	Proto-Italic	poplos	army

publier — Etymology, Origin & Word History | Etymology Explorer