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1542, in the meaning defined at sense 1a
borrowed from Middle French & Latin; Middle French adulterin, borrowed from Latin adulterīnus, from adulter adulterer + -īnus -ine entry 1
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“Adulterine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/adulterine. Accessed 3 Mar. 2021.
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