As a deity name
Name 295 of the Durga Sahasranāma — Kula Arnava Tantra / Skanda Purana, as taught by Lord Shiva to Goddess Parvati
Name 162 of the Gayatri Sahasranāma — Devi Bhagavata Purana, as taught by Sages
As a Hindi name
कुमारी · noun · feminine
दस वर्ष से बारह वर्ष तक की अवस्था की कन्या · अविवाहीता कन्या (को॰) · कन्या । पुत्री । लड़की (को॰) — Śabdasāgara
कुमारी · adj
बीना ब्याही । जिस (स्त्री) का विवाह न हुआ हो — Śabdasāgara
कुमारी · kumārī · s.f.
A young girl (one from ten to twelve years old, which is regarded as a marriageable age), maiden, maid, virgin, damsel, lass; a daughter; a princess (see kuṅwārī) — Platts (1884), digital edition courtesy DSAL, University of Chicago, p. 847
कुमारी
maiden, a young unmarried girl; miss (title for unmarried women)
Cited formation "कुमारी" is कु- + मारी: मारी means "Beating", and the prefix कु- forms bad, evil. CHD Basic Grammar App. I §3(20) — cited from the extracted rule table — base gloss: Platts (1884), digital edition courtesy DSAL, University of Chicago
Cited formation "कुमारी" is कुमार + -ई: कुमार means "youth, young person", and the suffix -ई forms abstract nouns (fem.). CHD Basic Grammar App. I §8(14) — cited from the extracted rule table
a Hindi word, a tatsama: the Sanskrit word borrowed unchanged into Hindi कुमारी — per Wiktionary’s etymology record
“Learned borrowing from Sanskrit कुमारी (kumārī). Doublet of कुँआरी (kũārī).” — per Wiktionary’s etymology record
kumārī (ī), f. a young girl, one from ten to twelve years old, maiden, daughter, AV.; AitBr. &c.
or (in the Tantras) any virgin up to the age of sixteen or before menstruation has commenced
As a Sanskrit word
Meaning
a young girl, one from ten to twelve years old, maiden, daughter, &c.
Scripturally attested Verified derivationMultiple readings (4)Why this matches what you typed
M1 · same meaning "kumārī" is the nominative of "kumārin" — the same word in a different grammatical case, derived from the stem's own paradigm.
Dictionary citations
kumārī (ī), f. a young girl, one from ten to twelve years old, maiden, daughter, AV.; AitBr. &c.
or (in the Tantras) any virgin up to the age of sixteen or before menstruation has commenced
N. of certain flags (set up along with Indra's banner), VarBṛS.
N. of the wife of Bhīma-sena (son of Parīkṣit), MBh. i, 3796
of a daughter of Vasu-deva by Rohiṇī, Hariv. 1952
kumārin mfn. (g. vrīhy-ādi) having children, RV. viii, 31, 8
granting children, SāmavBr.
Alternative readings
More than one analysis survives full verification. That ambiguity is real, so we show every reading rather than pick one silently.
Caveats
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