Zunairah
Yes. Zunairah is recorded in classical sīra and biographical literature among early Muslim women; it is historically attested rather than newly invented.
No. The name Zunairah is not a Qur'anic proper name and has no verse attribution; its attestations are in sīra and biographical works.
Linguistically it is a diminutive form in Arabic indicating a small or endearing object—commonly rendered as 'little ornament' or 'small jewel.'
No. Zunairah is rare in contemporary naming practice but valued by some for its classical and historical resonance.
Yes. Because the name is Arabic and attested in early Islamic sources, it is used across diverse Muslim cultural contexts, though it remains relatively uncommon.