Where does “depopulor” come from?

depopulor (Latin) comes from Latin dē-, from Latin dē, from Latin post, from Latin poste, from Proto-Italic posti, from Proto-Indo-European pósti, from Proto-Indo-European pós — afterwards, post; by, at.

depopulor (Latin): I sack, plunder, pillage, despoil; I ravage,...