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1567, in the meaning defined above
New Latin, from Latin, maple tree; akin to Old High German, Old Saxon, & Middle Low German ahorn maple tree, Old Danish ær, Greek akastos, a maple tree, akarna laurel, and probably to Latin acer sharp
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“Acer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Acer. Accessed 26 Jan. 2021.
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