As a deity name
Name 887 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 terminations of the 3rd case, the 3rd case (instrumental)
Scripturally attestedWhy this matches what you typed
M1 · same meaning "tṛtīyāyai" is the dative of "tṛtīyā" — the same word in a different grammatical case.
M1 · same meaning "tṛtīyāyai" is the dative of "tṛtīya" — the same word in a different grammatical case.
Related forms
Dictionary citations
tṛtīyā (ā), f. (scil. tithi) = ˚yikā, Jyot. &c.
(scil. vibhakti) the terminations of the 3rd case, the 3rd case (instrumental), Pāṇ.; APrāt. iii, 19
tṛtīya mf(ā)n. (fr. tri, Pāṇ. v, 2, 55; see also, vii, 3, 115; i, 1, 36, Vārtt.) the 3rd, RV. &c.
tṛtīya m. the 3rd consonant of a Varga (g, j, ḍ, d, b), RPrāt.; VPrāt.; APrāt.; Pāṇ., Vārtt. & Kāś.
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