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.
The leaves swirled in the autumn wind
swingle
swingletree
swing-shift
swinish
swipe
swirl
swirly
swish
Swiss
switch
switchable
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