the.com/agitated

the body's smoke alarm going off before the brain finds the fire

means Stirred into a state of restless, anxious unease — too churned-up inside to sit still or think calmly.

from From Latin 'agitare,' to set in motion, drive, or stir up — itself a frequentative of 'agere,' to drive or do. So the same root that powers 'act' and 'agent' here means relentless, repeated motion: not just moving, but being driven again and again. English took it in the 1500s for things literally shaken or churned, and the inner weather sense — a mind tossed about like water — followed naturally.

washing machines
agitators twist clothes clean by deliberate violence
root word
from Latin agitare, to drive or set in motion
chemistry trick
stirring speeds reactions by forcing molecules to collide
body tells
pacing and fidgeting burn off adrenaline with nowhere to go
protest origin
political agitators literally meant to shake the status quo
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