Where does “peloponesi” come from?

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

peloponesi (Catalan): Peloponnesian

Definitions

Peloponnesian

Ancestry of “peloponesi”, step by step

Step	Language	Word	Meaning
1	Latin	Peloponnesius	Peloponnesian
2	Ancient Greek	Πελοποννήσιος	Peloponnesian
3	Ancient Greek	Πελοπόννησος	the Peloponnese or Peloponnesus
4	Ancient Greek	νῆσος	island

Every word from Ancient Greek νῆσος →Every word from Ancient Greek Πελοπόννησος →Every word from Ancient Greek Πελοποννήσιος →