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14th century, in the meaning defined above
Middle English, from Middle French or Late Latin; Middle French affectueux, from Late Latin affectuosus, from Latin affectus disposition, affection, desire + -osus -ous
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“Affectuous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/affectuous. Accessed 24 Oct. 2021.
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