As a deity name
Name 350 of the Surya Sahasranāma — Bhavishya Purana, as taught by Lord Brahma / Sages
As a Hindi name
No reading on this path — this spelling has no entry in our Hindi sources, and no near neighbour is attested there either. We say so rather than invent one.
As a Sanskrit word
Meaning
having a quiver (or sword ?), &c. &c.
Scripturally attestedWhy this matches what you typed
M1 · same meaning "niṣaṅgiṇe" is the dative of "niṣaṅgin" — the same word in a different grammatical case.
Dictionary citations
ni-˚ṣaṅgin mfn. having a quiver (or sword ?), AV. &c. &c.
cleaving, clinging, sticking, attached to, Śiś. v, 39; xii, 26
Caveats
Sources contain errors and engines have limits; every claim above carries its citation so you can verify it. This is guidance about names and their sources — not religious or astrological consultation. How we work · Our sources