As a Hindi name
नीकाश · nī-kāś · adj.
Like, resembling (used as last member of compounds) — Platts (1884), digital edition courtesy DSAL, University of Chicago, p. 1167
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: तुल्य । समान
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
appearance, look, mien (ifc. = like, resembling)
Verified derivationMultiple readings (9)Why this matches what you typed
M3 · meaning shifts "nīkāśa" is derived from "nīkā" with the śas suffix — a related word whose meaning shifts, so both meanings are shown.
nīkā f. a channel for irrigation, L.
nīkā A channel for irrigation.
nī—kāśa m. (√ kāś) appearance, look, mien (ifc. = like, resembling), MBh.
certainty, ascertainment, L.
Dictionary citations
nī—kāśa m. (√ kāś) appearance, look, mien (ifc. = like, resembling), MBh.
certainty, ascertainment, L.
nī-kāśa mfn. like, similar (= ni-kāśa), Kāvyād. ii, 57.
nīkāśa a. See nikāśa; Śi. 5. 35.
nīkāśa mfn. (-śaḥ-śā-śaṃ) (In composition,) Like, resembling. m. (-śaḥ) Certainty, ascertainment. E. ni before kāśa to shine, aff. ghañ, and the vowel made long.
nīkā f. a channel for irrigation, L.
nīkā A channel for irrigation.
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