Where does “просити” come from?

просити (Old East Slavic) comes from Proto-Slavic prositi, from Proto-Balto-Slavic práśīˀtei, from Proto-Indo-European preḱ-, from Proto-Indo-European pr̥ḱneh₂.

Ancestry of “просити”, step by step

StepLanguageWordMeaning
1Proto-Slavicprositito ask
2Proto-Balto-Slavicpráśīˀteito ask
3Proto-Indo-Europeanpreḱ-to ask
4Proto-Indo-Europeanpr̥ḱneh₂—
Every word from Proto-Indo-European pr̥ḱneh₂ →Every word from Proto-Indo-European preḱ- →Every word from Proto-Balto-Slavic práśīˀtei →