Where does “Mémnon” come from?

Mémnon (Portuguese) comes from Latin Memnon, from Ancient Greek Μέμνων.

Ancestry of “Mémnon”, step by step

Step	Language	Word	Meaning
1	Latin	Memnon	—
2	Ancient Greek	Μέμνων	—

Mémnon — Etymology, Origin & Word History | Etymology Explorer