As a deity name
Name 433 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
satiating, refreshing (esp. of gods and deceased persons [cf. ṛṣi-, pitṛ-] by presenting to them libations of water; a particular ceremony performed with a magical Mantra, cf. and…
Scripturally attestedWhy this matches what you typed
M1 · same meaning "tarpaṇāyai" is the dative of "tarpaṇa" — the same word in a different grammatical case.
Dictionary citations
tarpaṇa mf(ī)n. id., Suśr. (cf. ghrāṇa-)
tarpaṇa m. n. N. of a plant, iv, 5, 13 and 18; 16, 3
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