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START / NODE 407Present-Day English1666–today
calculus
A mathematical system, a method of reasoning, or a bodily stone; borrowed from a Latin word for a pebble used in counting.
“Calculus was a pebble before it was higher mathematics. Even the pebble's deeper ancestry is disputed: limestone and a shared Mediterranean substrate source remain competing routes.”OPEN COMPLETE WORD DOSSIER ↗
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01
PARENT ROUTES1 REVIEWED RELATIONSHIP
Present-Day Englishcalculus
a mathematical method; a system of reckoning; also a bodily stone
↑GO DEEPER
Latin · Latin antiquitycalculuspebble; counting-board pebble; calculation; account
- SOUND CHANGE
- English borrowed Latin calculus without a mediating vernacular form in the reviewed route; pronunciation and plural behavior were anglicized.
- SEMANTIC CHANGE
- Latin counting and reckoning specialize into mathematical systems while the bodily-stone sense also survives.
- SCHOLAR
- Merriam-Webster editors
- CONFIDENCE
- established
- CHRONOLOGY
- Merriam-Webster reports English use in 1666.
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