As a Hindi name
नहीं
no, not (negative response to a yes-no question); no, not (used for negation of statements in the indicative and contrafactual moods)
Śabdasāgara also records: अकाल के समय अन्न की बढ़ी हुई आवश्यकता या माँग · अकाल । दुर्भिक्ष
Cited formation "नीवाक" is नीव + -आक: नीव means "घर बनाने में गहरी नाली के रूप में खुदा हुआ गड्ढा जिसके भीतर से दीवार की जोड़ाई आरंभ होती है । दोवार उठाने के लिये गहरा किया हुआ स्थान", and the suffix -आक forms doing habitually, efficiently (adjectives). CHD Basic Grammar App. I §8(7) — cited from the extracted rule table — base gloss: Śabdasāgara
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
the increased demand for grain in times of dearth, dearth, scarcity
Verified derivationMultiple readings (7)Why this matches what you typed
The spelling you confirmed, नीवाक, is itself a dictionary headword — no grammatical transformation stands between what you typed and the meaning above.
Dictionary citations
nī—vāka m. (√ vac) the increased demand for grain in times of dearth, dearth, scarcity, L.
nī-vāka nīvāha, nīvṛt &c. See under 5. nī.
nīvāka m. (-kaḥ) Dearth, scarcity. E. ni before vaca to speak, aff. ghañ; creating alarm and causing conversation.
Alternative readings
More than one analysis survives full verification. That ambiguity is real, so we show every reading rather than pick one silently.
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