Where does “порекомендова́ть” come from?

порекомендова́ть (Russian) comes from Russian по́-, from Russian -бира́ть.

Ancestry of “порекомендова́ть”, step by step

Step	Language	Word	Meaning
1	Russian	по́-	—
2	Russian	-бира́ть	—

порекомендова́ть — Etymology, Origin & Word History | Etymology Explorer