Meaning

noun a quantity of no importance

verb command against

originFrom German Nix, from Middle High German nickes, niches, from Old High German nichus, nihhus, from Proto-Germanic *nikwus (“water-spirit; nix”), from Proto-Indo-European *neygʷ- (“to wash”). Cognate with Old English nicor (“a water-monster; hippopotamus”) whence English nicker.

Etymology from Wiktionary, CC BY-SA 3.0