Where does “Nissa” come from?

Nissa (Sicilian) comes from Arabic نِسَاء, from Arabic قَلْعَة النِسَاء — Fort of the Women.

Nissa (Sicilian): Caltanissetta

Definitions

Step	Language	Word	Meaning
1	Arabic	نِسَاء	women
2	Arabic	قَلْعَة النِسَاء	Fort of the Women

Nissa — Etymology, Origin & Word History | Etymology Explorer