Where does “Аврам” come from?

Аврам (Serbo-Croatian) comes from Old Church Slavonic Авраа́мъ, from Ancient Greek Ἀβραάμ, from Hebrew אַבְרָהָם — Abraham.

Ancestry of “Аврам”, step by step

Step	Language	Word	Meaning
1	Old Church Slavonic	Авраа́мъ	—
2	Ancient Greek	Ἀβραάμ	—
3	Hebrew	אַבְרָהָם	Abraham

Аврам — Etymology, Origin & Word History | Etymology Explorer