Makes someone worried or upset, or interrupts and breaks the peace or calm of something.
From Latin 'disturbare', combining 'dis-' (apart) + 'turbare' (to throw into disorder, from 'turba', meaning crowd or confusion).
The word's Latin root 'turba' (crowd) reveals why crowds disturb us—psychologically, large groups of people create legitimate stress signals in our brains that date back to our evolutionary past.
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