köken: From Middle High German ne, ni (“not, if not”), from Old High German ne, ni (“no, not, not at all, by no means”), from Proto-West Germanic *ne, from Proto-Germanic *ne (“not”), from Proto-Indo-European *né (“not”). Also possibly from a contraction of nicht, dialectal net, nit, ni.
antonym of var (“there is, there are, there exists, there exist”): there is no, there are no, there does not exist, there do not exist · antonym of var (“to have”): to not have
köken: Ultimately from Proto-Turkic *yōk (“there is not”). Cognate with Old Turkic 𐰖𐰸 (yok), Turkish yok etc.