Where does “Peloponnese” come from?

Peloponnese derives from Ancient Greek Πελοπόννησος, composed of Πέλοψ (Pelops, a mythological figure) and Ancient Greek νῆσος (nēsos, meaning island).

Ancestry of “Peloponnese”, step by step

Step	Language	Word	Meaning
1	Latin	peloponnesus	—
2	Ancient Greek	Πελοπόννησος	—
3	Ancient Greek	νῆσος	island

Every word from Ancient Greek νῆσος →

Peloponnese — Etymology, Origin & Word History | Etymology Explorer