*SET-U

CANONICAL LANGUAGE GRAPH

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NODE / 0949reconstructedProto-Indo-European

*dh(e)ghom-

TRANSLITERATION *dh(e)ghom-

earth

DATE
Proto-Indo-European o-grade form
SENSE
earth o grade
FAMILY
Indo-European
CANONICAL KEY
node:6:dheghom:reconstructed:sense:earth-o-grade

The o-grade formation printed for the Greek khthōn branch.

*

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 DEEPERablaut formationestablished
Proto-Indo-European · Proto-Indo-European centum form · earth root

*dhghem-

earth

SOUND
The o-grade *dh(e)ghom- is a vocalic formation of the earth root *dhghem-.
MEANING
The earth meaning remains stable across the reconstructed formation.
SCHOLAR
Calvert Watkins and American Heritage Dictionary Editors
CONFIDENCE
established
02

DIRECT DESCENDANT EDGES

THE NEXT HISTORICAL STEP

1
03

TRANSITIVE DESCENDANT CLOSURE

EVERY REVIEWED BRANCH FROM HERE

4

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
3
REVIEWED EDGES
4
DEEPEST PATH
3
MODERN DOSSIERS REACHED
1
HISTORICAL STEP 011 EDGE
HISTORICAL STEP 022 EDGES
STEP 02competing learned formationproposed
SOUND
Merriam-Webster summarizes English chthonic directly from Greek chthon-, chthōn, while American Heritage supplies Greek khthonios as the immediate adjective.
MEANING
Greek earth vocabulary supplies the English underworld adjective under either segmentation.
Merriam-Webster Editors1 CITATIONEDGE 987 ↗
HISTORICAL STEP 031 EDGE
STEP 03learned borrowingestablished
SOUND
English chthonic adapts Greek khthonios with the learned chthon- spelling and English adjectival pronunciation.
MEANING
Of the earth and under the earth develops into the specialized underworld sense.
American Heritage Dictionary Editors2 CITATIONSEDGE 945 ↗

“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

1