As a deity name
Name 788 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 Sītā (daughter of Janaka, king of M˚)
Scripturally attestedWhy this matches what you typed
M1 · same meaning "maithilyai" is the dative of "maithilī" — the same word in a different grammatical case.
Dictionary citations
maithilī f. See below.
maithilī f. N. of Sītā (daughter of Janaka, king of M˚), R.; Kālid.
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