Where does “вливаться” come from?

вливаться (Russian) comes from Russian вливать, from Russian влить, from Russian в-, from Old Church Slavonic въ-, from Proto-Slavic vъ(n)-, from Proto-Indo-European h₁én — in.

вливаться (Russian): to flow in/into

Definitions

to flow in/into

Ancestry of “вливаться”, step by step

Step	Language	Word	Meaning
1	Russian	вливать	to pour in, to instill, to pour; to instill
2	Russian	влить	to pour in, to instil, to pour; to instil
3	Russian	в-	in, into
4	Old Church Slavonic	въ-	in, into describing an action of moving inside of something
5	Proto-Slavic	vъ(n)-	—
6	Proto-Indo-European	h₁én	in

Every word from Proto-Indo-European h₁én →Every word from Russian в- →Every word from Proto-Slavic vъ(n)- →