As a deity name
Name 502 of the Gayatri Sahasranāma — Devi Bhagavata Purana, as taught by 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
spotless, unsullied, clean, pure, shining, resplendent, bright, &c.
Scripturally attestedWhy this matches what you typed
M1 · same meaning "nirmalāyai" is the dative of "nirmala" — the same word in a different grammatical case.
Dictionary citations
nir—mala mf(ā)n. spotless, unsullied, clean, pure, shining, resplendent, bright, Up.; MBh.; Kāv. &c.
sinless, virtuous, Mn. viii, 318
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