Where does “попереть” come from?

попереть (Russian) comes from Russian пере́ть, from Proto-Slavic perti, from Proto-Balto-Slavic per-, from Proto-Indo-European per-, from Proto-Indo-European pr̥tós — passed , crossed.

попереть (Russian): to push forward, to barge; to pour out, to flow...

Definitions

to push forward, to barge; to pour out, to flow...

Ancestry of “попереть”, step by step

Step	Language	Word	Meaning
1	Russian	пере́ть	to move, to travel; to carry, move, trudge; push...
2	Proto-Slavic	perti	to push, to press; to oppose
3	Proto-Balto-Slavic	per-	—
4	Proto-Indo-European	per-	before, in front; first; to go through
5	Proto-Indo-European	pr̥tós	passed , crossed

Every word from Proto-Indo-European pr̥tós →Every word from Proto-Indo-European per- →Every word from Proto-Balto-Slavic per- →