English borrowed Latin calculus without a mediating vernacular form in the reviewed route; pronunciation and plural behavior were anglicized.
CANONICAL RELATIONSHIP RECORD
COVERAGE LEDGER ↗EDGE / 0377borrowingestablished
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A relationship—not a generated explanation. Both endpoints, every editorial field, every citation, and every dossier reuse are preserved below.
calculus
a mathematical method; a system of reckoning; also a bodily stone
OPEN NODE 407 ↗DESCENDS FROM→
PARENT / EARLIER FORM / attestedLatin · Latin antiquitycalculus
pebble; counting-board pebble; calculation; account
OPEN NODE 110 ↗01
THE COMPLETE RELATIONSHIP
EVERY FIELD, NOT A FAIRY TALE
Latin counting and reckoning specialize into mathematical systems while the bodily-stone sense also survives.
Merriam-Webster reports English use in 1666.
Merriam-Webster editors
established — no additional confidence note is attached.
reviewed
02
CITATION REGISTER
SOURCES ON THIS EDGE
Calculus — Word History and Etymology NoteEtymology and First Known Use
supportsAUDIT SOURCE ↗ORIGINAL ↗Documents direct Latin borrowing, the pebble and calculation senses, and the 1666 English horizon.
03
EDITORIAL REUSE