As a deity name
Name 120 of the Durga Sahasranāma — Kula Arnava Tantra / Skanda Purana, as taught by Lord Shiva to Goddess Parvati
As a Hindi name
त्रयी · noun · feminine
तीन वस्तुओं का समूह । तिगुह । तीखट । जैसे, ब्रह्मा, विष्णु और महेश · सोमराजी लता · दुर्गा — Śabdasāgara
त्रयी · trayī · s.f.
A triad, triplet; the three Vedas collectively (i.e. the Rig, Yajur, and Sāma) — Platts (1884), digital edition courtesy DSAL, University of Chicago, p. 322
त्रयी · feminine
trio, triad, trilogy
Cited formation "त्रयी" is त्रय + -ई: त्रय means "triad, trilogy; a group of three", and the suffix -ई forms abstract nouns (fem.). CHD Basic Grammar App. I §8(14) — cited from the extracted rule table
Cited formation "त्रयी" is त्रय + -ई: त्रय means "triad, trilogy; a group of three", and the suffix -ई forms 'belonging to', 'having', 'coming from' (adjectives). CHD Basic Grammar App. I §9(6) — cited from the extracted rule table
Cited formation "त्रयी" is त्रय + -ई: त्रय means "triad, trilogy; a group of three", and the suffix -ई forms diminutives (fem.). CHD Basic Grammar App. I §9(6) — cited from the extracted rule table
a Hindi word; it is not Sanskrit
“From Sanskrit त्रयी (trayī), derived from त्रय (traya, “three”) + ई (ī, “feminine suffix”).” — per Wiktionary’s etymology record
As a Sanskrit word
Meaning
the triad (Buddha, Dharma, and Saṃgha)
Scripturally attested Verified derivationWhy this matches what you typed
M1 · same meaning "trayī" is the feminine form of "traya" — the same word with the feminine ending, recorded by the dictionary's own gender marker on that entry.
Dictionary citations
trayī (ī), f. id., see śata-
= ˚yī vidyā, Gaut.; Mn. &c.
the Buddh. triad (Buddha, Dharma, and Saṃgha), Hcar. viii
summit, Bālar. i, 28
a woman whose husband and children are living, L.
traya mf(ī)n. (fr. tri, Pāṇ. v, 2, 43) triple, threefold, consisting of 3, of 3 kinds, RV. x, 45, 2; AV. iv, 11, 2; VS. &c. (˚yī vidyā), ‘the triple sacred science’, reciting hymns, performing sacrifices, and chanting [RV., YV., and SV.], ŚBr.; AitBr. &c.
traya n. a triad (chiefly ifc.), ChUp.; KaṭhUp.; Mn. &c.
Caveats
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