Where does “Вениами́н” come from?

Вениами́н (Russian) comes from Byzantine Greek Βενιαμίν, from Hebrew בִּנְיָמִין.

Ancestry of “Вениами́н”, step by step

Step	Language	Word	Meaning
1	Byzantine Greek	Βενιαμίν	—
2	Hebrew	בִּנְיָמִין	—

Вениами́н — Etymology, Origin & Word History | Etymology Explorer