the.com/smarting

the body's tiny tantrum, where pain and offended dignity sting in equal measure

means Stinging with a sharp, prickling pain — whether from a fresh cut, a slap, or a wounded pride.

from From Old English smeortan, "to feel or cause a sharp pain," with cousins across the Germanic family (German Schmerz, "pain," is a close relative). The word for the painful sting came first; the "clever" sense of smart is the same root, taken to mean sharp-witted — a mind with an edge, like the prick of a needle.

origin
From Old English smeortan, meaning to feel sharp pain
double duty
Describes stung skin and bruised ego alike
smart link
Shares roots with smart, once meaning painfully sharp
slang life
To smart off invites a smarting in return
for instance

boxer's eye after fight — swollen tissue causes sharp pain and stinging sensation during and after boxing matches

salt in open wound — sodium chloride crystals sting exposed tissue with immediate burning pain, documented in first aid protocols

sunburn peeling skin — nerve endings exposed during desquamation cause intense stinging, especially in stage 3-4 sunburn recovery

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