As a Hindi name
Nearest attested word 'यूथ्या' does not appear as a word in our Hindi sources. The nearest word is यूथ, meaning A flock, herd, drove (of birds, animals, &c.), a multitude, number. — Platts (1884), digital edition courtesy DSAL, University of Chicago nearest word: यूथ — a suggestion, not a meaning
As a Sanskrit word
Meaning
a herd, pack
Verified derivationWhy this matches what you typed
M1 · same meaning "yūthyā" is the instrumental of "yūthī" — the same word in a different grammatical case.
M1 · same meaning "yūthyā" is the feminine form of "yūthya" — the same word with the feminine ending (nominative).
Related forms
Dictionary citations
yūthyā (ā), f. a herd, pack, MBh.
yūthī (ī), f. a kind of jasmine (= yūthikā), L.
yūthikā, -yūthī A kind of jasmine or its flower; yūthikāśavalakeśī V. 4. 24; Me. 26.
yūthya mfn. belonging to a herd or flock, RV.
(ifc.) belonging to the troop or herd of g. vargyādi
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