*SET-U

CANONICAL LANGUAGE GRAPH

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NODE / 0430attestedMiddle English

calkelatour

one who counts or computes; a mathematician

DATE
Middle English, 14th–15th centuries
SENSE
human reckoner
FAMILY
Indo-European / West Germanic
CANONICAL KEY
node:2:calkelatour:attested:sense:human-reckoner
01

ANCESTRAL EDGES

ROOT OF THIS ROOT

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GO DEEPERborrowingestablished
Latin · Latin antiquity and Late Latin · arithmetic teacher

calculātor

a teacher of arithmetic; a calculating person

SOUND
Middle English calkelatour adapts Latin calculātor with vernacular vowel and consonant spelling.
MEANING
The Latin arithmetic teacher or reckoner remains a person who counts or computes.
SCHOLAR
Merriam-Webster editors
CONFIDENCE
established
Calculator — Definition, Word History, and First Known UsesupportsWord History: borrowed from Latin calculātor

Documents the Latin-to-Middle-English borrowing.

ORIGINAL ↗
OPEN CANONICAL EDGE 397 ↗
02

DIRECT DESCENDANT EDGES

THE NEXT HISTORICAL STEP

1
DESCENDANTinheritanceestablished
Present-Day English · 14th century–today · person and device

calculator

one who calculates; later especially a calculating machine or electronic device

SOUND
Middle English calkelatour loses unstressed material and stabilizes with the learned agent ending -or as calculator.
MEANING
The human reckoner sense survives while the agent label later transfers to mechanical and electronic calculating devices.
CHRONOLOGY
The word is reported from the 14th century; the source does not assign one first date to the machine sense.
SCHOLAR
Merriam-Webster editors
CONFIDENCE
established
Calculator — Definition, Word History, and First Known UsesupportsWord History: Middle English calkelatour; definitions

Documents the medieval human-reckoner form and the modern person and device senses.

ORIGINAL ↗
OPEN CANONICAL EDGE 396 ↗
03

TRANSITIVE DESCENDANT CLOSURE

EVERY REVIEWED BRANCH FROM HERE

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This is the complete downstream closure currently supported by the canonical graph. Every displayed step is a real reviewed edge with its own sound claim, meaning claim, scholar, confidence, and citations.

UNIQUE DESCENDANT NODES
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REVIEWED EDGES
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DEEPEST PATH
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MODERN DOSSIERS REACHED
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calculator1 connected node
HISTORICAL STEP 011 EDGE
STEP 01inheritanceestablished
Middle Englishcalkelatour→Present-Day English · 14th century–todaycalculatorone who calculates; later especially a calculating machine or electronic device
SOUND
Middle English calkelatour loses unstressed material and stabilizes with the learned agent ending -or as calculator.
MEANING
The human reckoner sense survives while the agent label later transfers to mechanical and electronic calculating devices.
Merriam-Webster editors1 CITATIONEDGE 396 ↗
Calculator — Definition, Word History, and First Known Use · Word History: Middle English calkelatour; definitions ↗

“Every” means every descendant in the reviewed SET-U graph. It does not convert missing scholarship or missing ingestion into a claim of historical completeness. The coverage ledger remains the honest denominator.

04

RECORDED EVIDENCE

ATTESTATIONS / FIRST KNOWN USE

0
NO RECORDED WITNESS ATTACHED.

The reviewed graph does not yet attach a source-reported or directly inspected witness to this canonical form.

05

EDITORIAL REUSE

WORD DOSSIERS USING THIS NODE

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02calculatorcalkelatour · established