Where does “пострелять” come from?

пострелять (Russian) comes from Russian стреля́ть, from Old East Slavic стрѣляти, from Proto-Slavic strěľati.

пострелять (Russian): to shoot

Definitions

to shoot

Ancestry of “пострелять”, step by step

Step	Language	Word	Meaning
1	Russian	стреля́ть	—
2	Old East Slavic	стрѣляти	throw arrows
3	Proto-Slavic	strěľati	—

Every word from Proto-Slavic strěľati →

пострелять — Etymology, Origin & Word History | Etymology Explorer