As a deity name
Name 915 of the Lakshmi Sahasranāma — Skanda Purana / Sanat Kumara Samhita, as taught by Sages Sanatkumara and Devotees
As a Hindi name
Nearest attested word 'तथ्या' does not appear as a word in our Hindi sources. The nearest word is तथ्य, meaning fact, truth, reality. nearest word: तथ्य — a suggestion, not a meaning
As a Sanskrit word
Meaning
‘being really so’, true — feminine form of tathya
Scripturally attestedWhy this matches what you typed
M1 · same meaning "tathyā" is the feminine form of "tathya" — the same word with the feminine ending (nominative).
Dictionary citations
tathya mfn. ‘being really so’, true, MBh.; R.; Pañcat.
tathya n. truth, Śak.; Bhartṛ.
Caveats
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