Squirm
来自Big Physics
late 17th century: symbolic of writhing movement; probably associated with worm.
wiktionary
First recorded late 17th c.; uncertain origin. Perhaps imitative or related to worm (in the sense of writhing movement) or swarm.
etymonline
squirm (v.)
1690s, originally referring to eels, of unknown origin; sometimes associated with worm or swarm, but perhaps imitative. Figurative sense "to be painfully affected, to writhe inside" is from 1804. Related: Squirmed; squirming. As a noun from 1839.
