As a deity name
Name 668 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
N. of a river, (v.l. parṇāśā).
Scripturally attestedWhy this matches what you typed
M1 · same meaning "pūrṇāśāyai" is the dative of "pūrṇāśā" — the same word in a different grammatical case.
Dictionary citations
Monier-Williams (1899) · पूर्णाशा (linked stem)
pūrṇāśā f. N. of a river, MBh. (v.l. parṇāśā).
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