Quesnay is a proper noun used as a surname and in historical economic contexts (as in François Quesnay, the French economist of the Physiocratic school). It denotes a person or attribution tied to Quesnay’s legacy and literature, and is typically pronounced with a French-influenced final "nay". The term functions mainly as a name and reference, not a common noun, and is treated with capitalization and respectful usage in scholarly writing.
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