As a Hindi name
नीवार
सज्ञां पुं॰ [सं॰] पसही या तिन्नी का चावल । मुन्यन्न — Śabdasāgara
नहीं
no, not (negative response to a yes-no question); no, not (used for negation of statements in the indicative and contrafactual moods)
Platts (p. 1170) also records: Rice growing wild or without cultivation
a Hindi word, a tadbhava: evolved from the Sanskrit through Prakrit नहि — per Wiktionary’s etymology record
“Inherited from Prakrit 𑀡𑀳𑀺 (ṇahi) (with spontaneous nasalization), from Sanskrit नहि (nahí, “surely not”), from Proto-Indo-Iranian *naǰʰí, from earlier *ná gʲʰí, from Proto-Indo-European *né + *gʰí. Cognate with Assamese নাই (nai), Bengali নাই (nai), Braj नहीं (nahī̃), Marathi ना…” — per Wiktionary’s etymology record
na—hi See na-hi.
na-hi (na-hi, MaitrS. & ŚBr.) ind. (g. cādi) for not, surely not, by no means, not at all (often strengthened by other particles, as aṅga, nu, sma), RV.; &c. (nahikam, g. cādi).
As a Sanskrit word
Meaning
wild rice (sg. the plant; pl. the grains), &c.
Verified derivationMultiple readings (8)Why this matches what you typed
M1 · same meaning "nīvāra" is the vocative of "nīvārā" — the same word in a different grammatical case.
Dictionary citations
nīvāra m. (ifc. f(ā). ) wild rice (sg. the plant; pl. the grains), VS.; ŚBr.; MBh. &c.
nīvāra m. (-raḥ) Rice growing wild or without cultivation. E. ni before vṛ to be, aff. ghañ.
nī—vārā v.l. for nivārā (see under ni-vṛ).
nīvārā f. N. of a river, MBh.; VP. (v.l. ni-v˚).
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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