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ardor

[ ahr-der ]
/ ˈɑr dər /
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noun
great warmth of feeling; fervor; passion: She spoke persuasively and with ardor.
intense devotion, eagerness, or enthusiasm; zeal: his well-known ardor for Chinese art.
burning heat.
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Also especially British, ar·dour .

Origin of ardor

1350–1400; Middle English <Latin, equivalent to ārd(ēre) to burn + -or-or1; replacing Middle English ardure<Old French ardur<Latin, as above; 17th century ardour<Anglo-French <Latin, as above
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

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