Where does “Nisibis” come from?

Nisibis is a city name transmitted from Latin Nisibis, which was borrowed from Ancient Greek Νίσιβις, a term of uncertain origin.

Ancestry of “Nisibis”, step by step

Step	Language	Word	Meaning
1	Latin	Nisibis	Nisibis
2	Ancient Greek	Νίσιβις	—

Nisibis — Etymology, Origin & Word History | Etymology Explorer