Meaning

noun a sharp bend in a line produced when a line having a loop is pulled tight

noun the act of rotating rapidly

verb turn in a twisting or spinning motion

originOf Scandinavian origin, akin to Norwegian Nynorsk tvirla, Old High German dweran (German zwirlen, quirlen), Dutch dwarrelen and Icelandic þyrill; all from Proto-Germanic *þwirilaz (“stirring-stick, whisk”), *þweraną (“to stir”). Or, an alteration of tirl (“to twist”), with influence from whirl.

Etymology from Wiktionary, CC BY-SA 3.0