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START / NODE 504Present-Day Englishmid-13th century–today

arithmetic

The art or practice of counting and calculation; transmitted from Greek arithmos “number” through Latin and French.

“Arithmetic did not descend from algorithm, and algorithm did not descend from arithmetic. Greek arithmos influenced algorithm's later spelling while the two words retained different ancestors.”
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01
PARENT ROUTES1 REVIEWED RELATIONSHIP
EDGE 470HISTORICAL CONTINUATIONESTABLISHED
SOUND CHANGE
Middle English arsmetike / arsmetrik is respelled arithmetic under renewed alignment with Latin and Greek.
SEMANTIC CHANGE
The counting art remains arithmetic while its domain broadens within modern mathematics.
SCHOLAR
Merriam-Webster · Etymonline editors
CONFIDENCE
established
CHRONOLOGY
Sources differ between a mid-thirteenth-century and fifteenth-century English horizon.
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