Special events or particular times when something happens, or the reasons why something occurs.
From Latin 'occasio' meaning 'a falling in' or 'opportunity,' derived from 'occidere' (to fall). The word entered English via Old French and came to mean both special events and the circumstances surrounding them.
The Latin root 'occidere' (to fall) reminds us that occasions used to mean 'when something falls into place'—like an opportunity that drops into your lap unexpectedly.
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