1542, in the meaning defined above
Late Latin melioratus, past participle of meliorare, from Latin melior better; akin to Latin multus much, Greek mala very
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meliorem lapsa locavit
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“Meliorate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/meliorate. Accessed 1 Oct. 2022.
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