*SET-U

CANONICAL LANGUAGE GRAPH

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NODE / 0211attestedMiddle English

chekmaten / chekmat

to checkmate or frustrate; the mating position

DATE
14th–15th centuries
SENSE
chess defeat
FAMILY
Indo-European / West Germanic
CANONICAL KEY
node:2:chekmaten-chekmat:attested:sense:chess-defeat

English derives the verb from the transmitted chess compound.

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ANCESTRAL EDGES

ROOT OF THIS ROOT

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GO DEEPERborrowing and derivationestablished
Anglo-French · Anglo-French period · checkmate compound

eschec mat

the announcement that the opponent’s king cannot escape

SOUND
Anglo-French eschec mat is borrowed as Middle English chek mat and supplies the derived verb chekmaten.
MEANING
The announcement that a king cannot escape becomes both a chess result and complete frustration.
CHRONOLOGY
Middle English borrowing and derivation.
SCHOLAR
Merriam-Webster Editors
CONFIDENCE
established
02

DIRECT DESCENDANT EDGES

THE NEXT HISTORICAL STEP

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DESCENDANThistorical continuationestablished
Present-Day English · 14th century–today · inescapable defeat

checkmate

an inescapable chess defeat; complete thwarting

SOUND
Middle English chekmaten / chekmat stabilizes as modern checkmate.
MEANING
Chess defeat and complete frustration continue together into modern English.
CHRONOLOGY
Fourteenth century to modern English.
SCHOLAR
Merriam-Webster Editors
CONFIDENCE
established — Merriam-Webster records frustrate alongside the chess meaning already in Middle English.
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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HISTORICAL STEP 011 EDGE

“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.

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RECORDED EVIDENCE

ATTESTATIONS / FIRST KNOWN USE

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NO RECORDED WITNESS ATTACHED.

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

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EDITORIAL REUSE

WORD DOSSIERS USING THIS NODE

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