Mathematics

google

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late 16th century: plural of obsolete mathematic ‘mathematics’, from Old French mathematique, from Latin (ars) mathematica ‘mathematical (art)’, from Greek mathēmatikē (tekhnē), from the base of manthanein ‘learn’.

wiktionary

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1580s; From mathematic(noun) +‎ -ics, [1] from Middle English mathematique, methametik, matematik, matamatik, from Old French mathematique, from Latin mathēmatica(“mathematics”), from Ancient Greek μαθηματικός(mathēmatikós, “on the matter of that which is learned”), from μάθημα(máthēma, “knowledge, study, learning”). Displaced native Old English rīmcræft.

etymonline

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mathematics (n.)

"the science of quantity; the abstract science which investigates the concepts of numerical and spatial relations," 1580s; see mathematic (the older form of the word in English, attested from late 14c.) + -ics. Originally one of three branches of Aristotelian theoretical science, along with first philosophy (or metaphysics) and physics (or natural philosophy).