Calculus has traditionally been treated as an irregular diminutive of calx, but the phonology and meanings are problematic and a shared non-Indo-European source with a Greek stone-word has been proposed.
CANONICAL RELATIONSHIP RECORD
COVERAGE LEDGER ↗EDGE / 0095proposed derivationproposed
A CLAIM
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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
pebble; counting-board pebble; calculation; account
OPEN NODE 110 ↗DESCENDS FROM→
PARENT / EARLIER FORM / attestedLatin · Latin antiquitycalx
lime, limestone
OPEN NODE 111 ↗01
THE COMPLETE RELATIONSHIP
EVERY FIELD, NOT A FAIRY TALE
A small stone or pebble may connect to lime or limestone; the route is unsettled.
No separate chronology note is attached beyond the endpoint date ranges.
Merriam-Webster editors summarizing Festus and Beekes
proposed — The calculus-to-calx derivation is not secure.
reviewed
02
CITATION REGISTER
SOURCES ON THIS EDGE
Calculus — Word History and Etymology NoteEtymology note
supportsAUDIT SOURCE ↗ORIGINAL ↗Traditional irregular diminutive analysis.
Chalk — Word History and Etymology NoteEtymology note
challengesAUDIT SOURCE ↗ORIGINAL ↗Notes irregularity and possible independent borrowing.
03
EDITORIAL REUSE