translation of Latin kalendas graecas (in ad kalendas graecas solvere to go without paying, literally, to pay at the Greek calends); from the fact that the Greeks did not reckon time by calends
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“Greek calends.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Greek%20calends. Accessed 29 Nov. 2023.
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