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1751, in the meaning defined at sense 2
borrowed from New Latin, irregularly for *oecidium, borrowed from Greek oikídion, diminutive of oîkos “house, abode, room”
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“Aecidium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/aecidium. Accessed 20 Oct. 2021.
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