Where does “допрашивать” come from?
допрашивать (Russian) comes from Russian допроси́ть, from Russian проси́ть, from Old Church Slavonic просити, from Proto-Slavic prositi, from Proto-Balto-Slavic práśīˀtei, from Proto-Indo-European preḱ-, from Proto-Indo-European pr̥ḱneh₂.
допрашивать (Russian): to interrogate
Ancestry of “допрашивать”, step by step