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Almagest (n.)

late 14c., title of a treatise on astronomy by Claudius Ptolemy of Alexandria, from Old French almageste (13c.), from Arabic al majisti, from al "the" + Greek megiste "the greatest (composition)," from fem. of megistos, superlative of megas "great" (from PIE root *meg- "great").

Originally titled in Greek Mathematike syntaxis ("Mathematical Composition"), commonly called Megale syntaxis "Great Composition" (Greek megale is the fem. of megas); Arab translators in their admiration altered this. The name was extended in Middle English to other works on astrology or astronomy.

also from late 14c.
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Trends of Almagest

updated on September 17, 2022

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