Where does “побывка” come from?

побывка (Russian) comes from Russian побыва́ть, from Russian быва́ть, from Proto-Slavic byvati, from Proto-Slavic byti, from Proto-Balto-Slavic bū́ˀtei, from Proto-Indo-European bʰuH- — to become, grow, appear.

побывка (Russian): short stay (somewhere)

Definitions

short stay (somewhere)

Ancestry of “побывка”, step by step

Step	Language	Word	Meaning
1	Russian	побыва́ть	to be at, to visit, to stay with
2	Russian	быва́ть	to take place, to happen, to be
3	Proto-Slavic	byvati	to be, to occur
4	Proto-Slavic	byti	to be
5	Proto-Balto-Slavic	bū́ˀtei	to be
6	Proto-Indo-European	bʰuH-	to become, grow, appear

Every word from Proto-Indo-European bʰuH- →Every word from Proto-Balto-Slavic bū́ˀtei →Every word from Proto-Slavic byti →