Where does “Մեմնոն” come from?

Մեմնոն (Armenian) comes from Old Armenian Մեմնոն, from Ancient Greek Μέμνων.

Ancestry of “Մեմնոն”, step by step

Step	Language	Word	Meaning
1	Old Armenian	Մեմնոն	—
2	Ancient Greek	Μέμνων	—

Մեմնոն — Etymology, Origin & Word History | Etymology Explorer