Where does “Peloponnesius” come from?

Peloponnesius (Latin) comes from Ancient Greek Πελοποννήσιος, from Ancient Greek Πελοπόννησος, from Ancient Greek νῆσος — island.

Ancestry of “Peloponnesius”, step by step

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

Words derived from “Peloponnesius”

Peloponnesian

Every word from Ancient Greek νῆσος →

Peloponnesius — Etymology, Origin & Word History | Etymology Explorer