Where does “Abrahamian” come from?

Abrahamian (English) comes from Armenian Աբրահամյան, from Armenian Աբրահամ, from Old Armenian Աբրահամ, from Ancient Greek Ἀβραάμ, from Hebrew אַבְרָהָם — Abraham.

Ancestry of “Abrahamian”, step by step

Step	Language	Word	Meaning
1	Armenian	Աբրահամյան	—
2	Armenian	Աբրահամ	given name equivalent to Abraham
3	Old Armenian	Աբրահամ	—
4	Ancient Greek	Ἀβραάμ	—
5	Hebrew	אַבְרָהָם	Abraham

Every word from Hebrew אַבְרָהָם →

Abrahamian — Etymology, Origin & Word History | Etymology Explorer