Where does “Niina” come from?

Niina (Finnish) comes from Russian Ни́на, from Georgian ნინო, from Old Georgian ნინო.

Ancestry of “Niina”, step by step

Step	Language	Word	Meaning
1	Russian	Ни́на	—
2	Georgian	ნინო	Nino
3	Old Georgian	ნინო	—

Niina — Etymology, Origin & Word History | Etymology Explorer