1615, in the meaning defined above
borrowed from Late Latin affūsiōn-, affūsiō "act of pouring on," from Latin *affūd- (variant stem of affundere "to pour on or into," from ad- ad- + fundere "to pour") + -tiōn-, -tiō, suffix of action nouns — more at found entry 5
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Cite this Entry
“Affusion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/affusion. Accessed 17 Aug. 2022.
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