An angry disagreement or argument between people; a reason to complain about something.
From Old French 'querele,' from Latin 'querella' (complaint). Originally meant any complaint before evolving to mean angry disputes.
Remarkably, the word quarrel has two completely different meanings in medieval times: a short, square-headed arrow AND a complaint—they came from the same root because both were things 'lodged' or 'planted' (an arrow in a target, a complaint in court).
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