The act or fact of approving; approval (archaic or obsolete term).
From approve + -ance (suffix forming nouns, especially of states or conditions). A Middle French construction that was more common in Early Modern English but largely replaced by 'approval.'
Approvance is almost extinct in English—it survives mainly in old legal documents and literature. It's a word that lost to a simpler competitor, showing that English prefers shorter, punchier nouns when given a choice.
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