The state or fact of arriving; arrival or advent.
From French 'arrivance,' formed from 'arriver' with the suffix '-ance' (also '-ence'), which creates nouns denoting states or conditions. It's a more formal variant of arrival.
Old English writers preferred 'arrivance' to 'arrival'—it sounds more formal and important, which is why you see it in Shakespeare and legal documents where writers wanted to give events extra dignity and weight.
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