As a deity name
Name 354 of the Saraswati Sahasranāma — Skanda 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
the egg-plant
Scripturally attestedWhy this matches what you typed
M1 · same meaning "mahatyai" is the dative of "mahatī" — the same word in a different grammatical case.
M1 · same meaning "mahatyai" is the dative of "mahat" — the same word in a different grammatical case.
Related forms
Dictionary citations
mahatī (atī), f. the egg-plant, Bhpr.
the (7 or 100-stringed) lute of Nārada, Śiś.
mahat mfn. (orig. pr. p. of √ 1. mah; strong form, mahānt f. mahatī; in ep. often mahat for mahāntam; ibc. mostly mahā, q.v.) great (in space, time, quantity or degree) i.e. large, big, huge, ample, extensive, long, abundant, numerous, considerable, important, high, eminent, RV. &c. &c. (also ind. in mahad-√ bhū, to become great or full [said of the moon] Śiś.)
abounding on rich in (instr.), ChUp.
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