Where does “πρότερος” come from?

πρότερος (Ancient Greek) comes from Ancient Greek πρό, from Proto-Indo-European pró, from Proto-Indo-European per-, from Proto-Indo-European pr̥tós — passed , crossed.

πρότερος (Ancient Greek): before, in front; former, earlier; superior

Definitions

before, in front; former, earlier; superior

Ancestry of “πρότερος”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	πρό	before; before, in front, forth, forward; before,...
2	Proto-Indo-European	pró	toward, leading to
3	Proto-Indo-European	per-	before, in front; first; to go through
4	Proto-Indo-European	pr̥tós	passed , crossed

Words derived from “πρότερος”

protero-
προτεραῖος
προτερέω

Every word from Proto-Indo-European pr̥tós →Every word from Proto-Indo-European per- →Every word from Proto-Indo-European pró →