Swirl
来自Big Physics
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late Middle English (originally Scots in the sense ‘whirlpool’): perhaps of Low German or Dutch origin; compare with Dutch zwirrelen ‘to whirl’.
wiktionary
From Middle English swirlen(“to eddy; swirl”). Cognate with Norwegian svirla(“to whirl around; swirl”). Compare also Swedish svirra, Danish svirre, German schwirren.
etymonline
swirl (n.)
early 15c., "whirlpool, eddy," originally Scottish, of uncertain origin, perhaps related to dialectal Norwegian svirla or Dutch zwirrelen "to whirl." The meaning "whirling movement" is from 1818.
swirl (v.)
1510s (transitive), with an isolated instance from 14c.; from swirl (n.). Intransitive sense "form in eddies, whirl in eddies" is from 1755. Related: Swirled; swirling.
