The act or state of ensuing; a following or result that comes after something.
From 'ensue' plus the noun suffix '-ance', which comes from Latin '-entia'. This follows the Romance language pattern of turning verbs into abstract nouns to describe the action itself.
Legal documents from the 1700s used 'ensuance' to describe the inevitable consequences that would result from an agreement—it's the noun form of what follows, capturing the idea of consequence as an abstract concept rather than a concrete event.
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