As a deity name
Name 854 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
moisture, humidity
Scripturally attestedWhy this matches what you typed
M1 · same meaning "rasāyai" is the dative of "rasā" — the same word in a different grammatical case.
M1 · same meaning "rasāyai" is the dative of "rasa" — the same word in a different grammatical case.
Related forms
Dictionary citations
rasā (ā), f., see s.v.
rasā f. moisture, humidity, RV.
rasa m. (ifc. f(ā). ) the sap or juice of plants, juice of fruit, any liquid or fluid, the best or finest or prime part of anything, essence, marrow, RV. &c. &c.
water, liquor, drink, MBh.; Kāv. &c.
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