Where does “Polímnia” come from?

Polímnia (Portuguese) comes from Latin Polȳmnia,Polyhymnia, from Ancient Greek Πολῡ́μνια,Πολυΰμνια.

Ancestry of “Polímnia”, step by step

Step	Language	Word	Meaning
1	Latin	Polȳmnia,Polyhymnia	—
2	Ancient Greek	Πολῡ́μνια,Πολυΰμνια	—

Polímnia — Etymology, Origin & Word History | Etymology Explorer