Where does “Израиль” come from?

Израиль (Russian) comes from Ancient Greek Ἰσραήλ, from Hebrew יִשְׂרָאֵל — Israel.

Ancestry of “Израиль”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	Ἰσραήλ	Israel
2	Hebrew	יִשְׂרָאֵל	Israel

Израиль — Etymology, Origin & Word History | Etymology Explorer