Where does “Cezayir” come from?

Cezayir (Turkish) comes from Arabic اَلْجَزَائِر, from Arabic جَزِيرَة — island.

Cezayir (Turkish): Algeria

Definitions

Step	Language	Word	Meaning
1	Arabic	اَلْجَزَائِر	the islands; Algiers
2	Arabic	جَزِيرَة	island

Cezayir — Etymology, Origin & Word History | Etymology Explorer