Meaning

noun a sheltered and secluded place

noun an interior angle formed by two meeting walls

originFrom Middle English noke, nok (“nook, corner, angle”), of uncertain origin. Perhaps from Old English hnoc, hnocc (“hook, angle”), from Proto-Germanic *hnukkaz, *hnukkô (“a bend”), from Proto-Indo-European *knewg- (“to turn, press”), from Proto-Indo-European *ken- (“to pinch, press, bend”). If so, then also related to Scots nok (“small hook”), Norwegian dialectal nok, nokke (“hook, angle, bent…

Etymology from Wiktionary, CC BY-SA 3.0