Where does “publiko” come from?

publiko (Bikol Central) comes from Spanish público, from Latin pūblicus, from Old Latin poplicus, from Latin pōpulus, from Proto-Italic poplos — army.

Ancestry of “publiko”, step by step

Step	Language	Word	Meaning
1	Spanish	público	public; audience
2	Latin	pūblicus	of or belonging to the people, state, or community
3	Old Latin	poplicus	Alternative form of publicus
4	Latin	pōpulus	a people, nation
5	Proto-Italic	poplos	army

Every word from Proto-Italic poplos →Every word from Latin pōpulus →Every word from Old Latin poplicus →