Where does “necro-” come from?

necro- (Italian) comes from Ancient Greek νεκρός, from Proto-Indo-European neḱ- — to perish, disappear.

necro- (Italian): necro-

Definitions

Step	Language	Word	Meaning
1	Ancient Greek	νεκρός	dead; a dead body, corpse; one who is dead
2	Proto-Indo-European	neḱ-	to perish, disappear

necro- — Etymology, Origin & Word History | Etymology Explorer