making something happen; being the reason why something occurs.
From Old French 'causer' derived from Latin 'causa' meaning reason, case, or lawsuit. The word originally referred to legal cases and reasons before broadening to mean the source of any action.
Science is essentially the study of 'what causes what'—and the word 'cause' has been central to human thinking since Roman law courts needed to ask 'what caused this dispute?' Long before modern science, people used this word to find truth.
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