Meaning

noun a close and affectionate (and often prolonged) embrace

verb move or arrange oneself in a comfortable and cozy position

verb hold (a person or thing) close, as for affection, comfort, or warmth

originOrigin uncertain, but probably from a frequentative form of Middle English *cudden, cuththen, keththen (“to embrace”), a variant of cuthen, kuthen, kithen (“to be familiar with, make known”), from Middle English cuth, couth (“known, familiar”), equivalent to couth + -le. Cognate with Middle Dutch kudden (“to come together, flock together”). More at couth.

Etymology from Wiktionary, CC BY-SA 3.0