*SET-U

CANONICAL LANGUAGE GRAPH

TRACE A WORD ↗
NODE / 0758reconstructedProto-Indo-European

*rēg-

TRANSLITERATION *rēg-

king or ruler formation

DATE
Proto-Indo-European lengthened grade
SENSE
king lengthened grade
FAMILY
Indo-European
CANONICAL KEY
node:6:reg-lengthened:reconstructed:sense:king-lengthened-grade

Published lengthened grade behind Indo-European king words.

*

This form is reconstructed by comparison. It is not directly attested in this exact written form.

01

ANCESTRAL EDGES

ROOT OF THIS ROOT

1
GO DEEPERderivationestablished
Proto-Indo-European · Proto-Indo-European centum form · straight direct centum root

*h₃reg-

move in a straight line; direct, lead, rule

SOUND
Lengthened-grade *rēg- belongs under centum *h₃reg-.
MEANING
The ruler or king formation specializes the straight, direct, lead, and rule family.
CHRONOLOGY
Comparative ablaut analysis, not one dated institutional event.
SCHOLAR
Calvert Watkins and American Heritage Dictionary Editors
CONFIDENCE
established
02

DIRECT DESCENDANT EDGES

THE NEXT HISTORICAL STEP

5
DESCENDANTinheritanceestablished
Latin · Latin · king noun

rēx

king

SOUND
Latin rēx reflects reconstructed lengthened-grade *rēg-.
MEANING
The lengthened grade supplies an Indo-European king formation.
CHRONOLOGY
The parent is reconstructed; rēx is attested Latin.
SCHOLAR
Calvert Watkins and American Heritage Dictionary Editors
CONFIDENCE
established
DESCENDANTderivationestablished
Proto-Celtic · Proto-Celtic horizon · kingly celtic formation

*rīg-yo-

kingly or royal formation

SOUND
Celtic *rīg-yo- belongs to lengthened-grade *rēg-.
MEANING
The Celtic kingly formation specializes the Indo-European ruler branch.
CHRONOLOGY
Comparative morphology, not one dated borrowing token.
SCHOLAR
Calvert Watkins and American Heritage Dictionary Editors
CONFIDENCE
established
DESCENDANTinheritanceestablished
Proto-Celtic · Proto-Celtic · king nominative

*rīx-s

king, nominative singular

SOUND
Proto-Celtic *rīx-s reflects the Indo-European lengthened king grade *rēg-.
MEANING
King remains the central meaning while Celtic raises inherited *ē to *ī and develops the final cluster.
CHRONOLOGY
The source gives *rīx-s and genitive *rīg-os from PIE *(h₃)rēg̑-.
SCHOLAR
Anders Richardt Jørgensen
CONFIDENCE
established
DESCENDANTderivationestablished
Proto-Indo-European · Proto-Indo-European suffixed formation · king en formation

*rēg-en-

king formation

SOUND
Reconstructed *rēg-en- is an n-stem formation on lengthened-grade *rēg-.
MEANING
The suffix forms a king noun inside the ruler branch.
CHRONOLOGY
Comparative morphology rather than a dated word-formation event.
SCHOLAR
Calvert Watkins and American Heritage Dictionary Editors
CONFIDENCE
established
DESCENDANTinheritanceestablished
Latin · Latin bound lexical stem · king stem

rēg-

king stem used outside the nominative singular

SOUND
Latin rēg- reflects the reconstructed Indo-European lengthened king grade *rēg-.
MEANING
The ruler or king formation remains the lexical center while the attested Latin stem is separated from its reconstructed comparative parent.
CHRONOLOGY
Latin is attested; the parent grade is reconstructed.
SCHOLAR
Calvert Watkins and American Heritage Dictionary Editors · Norvin W. Richards
CONFIDENCE
established — The macron is shared notation, but only the Proto-Indo-European node carries an asterisk.
03

TRANSITIVE DESCENDANT CLOSURE

EVERY REVIEWED BRANCH FROM HERE

27

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
25
REVIEWED EDGES
27
DEEPEST PATH
5
MODERN DOSSIERS REACHED
8
HISTORICAL STEP 015 EDGES
STEP 01inheritanceestablished
SOUND
Latin rēg- reflects the reconstructed Indo-European lengthened king grade *rēg-.
MEANING
The ruler or king formation remains the lexical center while the attested Latin stem is separated from its reconstructed comparative parent.
Calvert Watkins and American Heritage Dictionary Editors · Norvin W. Richards2 CITATIONSEDGE 1040 ↗
HISTORICAL STEP 026 EDGES
STEP 02inheritanceestablished
SOUND
Proto-Celtic nominative *rīx-s develops to Old Irish rí, while genitive ríg preserves the stem consonant.
MEANING
The king title remains a king noun through the Celtic sound changes.
Anders Richardt Jørgensen · Patrizia de Bernardo Stempel2 CITATIONSEDGE 790 ↗
STEP 02inheritanceestablished
SOUND
Sanskrit rājan- reflects the reconstructed suffixed king formation *rēg-en-.
MEANING
King, ruler, sovereign, and chief preserve the ruler field.
Calvert Watkins and American Heritage Dictionary Editors2 CITATIONSEDGE 796 ↗
STEP 02inheritanceestablished
SOUND
The attested Gaulish spelling -rix represents /-rīxs/ and aligns with reconstructed Proto-Celtic *rīx-s; the written host names do not preserve a macron.
MEANING
The inherited king noun functions as a compound-name member; its precise contribution can range beyond one mechanically compositional gloss.
Anders Richardt Jørgensen · Tristano Bolelli · Enrico Campanile3 CITATIONSEDGE 1033 ↗
STEP 02inflectionestablished
SOUND
Removing the genitive singular ending -is from rēgis exposes the bound stem rēg-.
MEANING
The stem retains the king meaning across the inflectional paradigm.
Norvin W. Richards · Charlton T. Lewis · Charles Short2 CITATIONSEDGE 1039 ↗
HISTORICAL STEP 037 EDGES
STEP 03borrowingestablished
SOUND
Old French riche continues a Germanic *rīkja- family form through historical borrowing.
MEANING
Powerful and wealthy remain linked across the Germanic-to-Romance route.
Calvert Watkins and American Heritage Dictionary Editors2 CITATIONSEDGE 781 ↗
STEP 03inflectionestablished
SOUND
Sanskrit rājā is the nominative singular of the consonant stem rājan-.
MEANING
The inflected form and lexical stem both mean king rather than separate lexical ancestors.
Monier Monier-Williams · Harald Wiese2 CITATIONSEDGE 795 ↗
STEP 03inflectionestablished
SOUND
Nominative rēx and genitive rēgis belong to one paradigm: stem-final g before nominative -s devoices to k, and Latin writes the resulting /ks/ cluster as x; intervocalic g remains visible in rēgis.
MEANING
Both forms mean king in different grammatical cases; no semantic ancestry runs from one case form to the other.
Norvin W. Richards · Charlton T. Lewis · Charles Short2 CITATIONSEDGE 1038 ↗
HISTORICAL STEP 045 EDGES
STEP 04borrowingprobable
SOUND
Middle English regal was borrowed through Old French, with direct Latin or Anglo-French transmission also reported.
MEANING
The monarch adjective enters English while the exact medieval channel remains plural in the authorities.
Merriam-Webster Editors · American Heritage Dictionary Editors2 CITATIONSEDGE 756 ↗
STEP 04inheritanceestablished
SOUND
Middle English riche continues Old English rīce while also receiving French-family influence represented separately.
MEANING
Strong and powerful develop toward wealthy and abundant.
Merriam-Webster Editors · American Heritage Dictionary Editors2 CITATIONSEDGE 771 ↗
HISTORICAL STEP 054 EDGES
STEP 05continuationestablished
SOUND
Modern royal continues Middle English roial through English spelling and sound history.
MEANING
Of a monarch or crown expands to magnificent and superior.
Merriam-Webster Editors · American Heritage Dictionary Editors2 CITATIONSEDGE 747 ↗
STEP 05continuationestablished
SOUND
Modern regal continues the Middle English adjective.
MEANING
Royal or kingly expands to magnificent or splendid.
Merriam-Webster Editors · American Heritage Dictionary Editors2 CITATIONSEDGE 755 ↗
STEP 05continuationestablished
SOUND
Modern realm continues Middle English realme through spelling reduction.
MEANING
Kingdom broadens to any domain or sphere.
Merriam-Webster Editors · American Heritage Dictionary Editors2 CITATIONSEDGE 763 ↗
STEP 05continuationestablished
SOUND
Modern rich continues Middle English riche through English spelling and sound history.
MEANING
Power and wealth broaden across abundance, value, color, flavor, and intensity.
Merriam-Webster Editors · American Heritage Dictionary Editors2 CITATIONSEDGE 770 ↗

“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.

That is expected for a reconstructed form: the node is inferred from comparison, not quoted from a surviving occurrence.

05

EDITORIAL REUSE

WORD DOSSIERS USING THIS NODE

7