Proto-Japonic language

E141211

Japonic language proto-language reconstructed language

Proto-Japonic language is the reconstructed common ancestor of the Japonic language family, from which both Japanese and the Ryukyuan languages are believed to have descended.

Try in SPARQL Jump to: Surface forms Disambiguation Statements Elicitation Referenced by

All labels observed (4)

Label	Occurrences
Proto‑Japonic	2
Proto-Japanese	1
Proto-Japanese–Ryukyuan	1
Proto-Japonic language canonical	1

How this entity was disambiguated

This entity first appeared as the object of triple T1197058 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Proto-Japonic language
Context triple: [Ryukyuan languages, hasAncestor, Proto-Japonic language]

A. Japonic languages
The Japonic languages are a small language family that includes Japanese and the Ryukyuan languages, spoken primarily in Japan and the Ryukyu Islands of East Asia.
B. Proto-Javanese
Proto-Javanese is the reconstructed ancestral language from which modern Javanese and related Javanic languages are believed to have evolved.
C. Ryukyuan languages
The Ryukyuan languages are a group of closely related but distinct Japonic languages traditionally spoken in Japan’s Ryukyu Islands, many of which are now endangered.
D. Tai–Kadai languages
The Tai–Kadai languages are a major language family of Southeast Asia that includes Thai, Lao, and related languages spoken across mainland and parts of southern China.
E. Proto-Austronesian
Proto-Austronesian is the reconstructed common ancestor of the Austronesian language family, from which languages such as Javanese, Tagalog, and Malay are derived.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Proto-Japonic language
Target entity description: Proto-Japonic language is the reconstructed common ancestor of the Japonic language family, from which both Japanese and the Ryukyuan languages are believed to have descended.

A. Japonic languages
The Japonic languages are a small language family that includes Japanese and the Ryukyuan languages, spoken primarily in Japan and the Ryukyu Islands of East Asia.
B. Proto-Javanese
Proto-Javanese is the reconstructed ancestral language from which modern Javanese and related Javanic languages are believed to have evolved.
C. Ryukyuan languages
The Ryukyuan languages are a group of closely related but distinct Japonic languages traditionally spoken in Japan’s Ryukyu Islands, many of which are now endangered.
D. Tai–Kadai languages
The Tai–Kadai languages are a major language family of Southeast Asia that includes Thai, Lao, and related languages spoken across mainland and parts of southern China.
E. Proto-Austronesian
Proto-Austronesian is the reconstructed common ancestor of the Austronesian language family, from which languages such as Javanese, Tagalog, and Malay are derived.
F. None of above. chosen

Statements (50)

Predicate	Object
instanceOf	Japonic language ⓘ proto-language ⓘ reconstructed language ⓘ
alsoKnownAs	Proto-Japonic language ⓘ surface form: Proto-Japanese–Ryukyuan
ancestorOf	Amami language ⓘ surface form: Amami languages Japanese language ⓘ Kunigami language ⓘ Miyako language ⓘ Okinawan language ⓘ Old Japanese language ⓘ Ryukyuan languages ⓘ Yaeyama language ⓘ Yonaguni language ⓘ
attestedIn	not directly attested ⓘ
basisFor	reconstruction of Old Japanese phonology ⓘ reconstruction of Proto-Ryukyuan ⓘ
comparedWith	Austronesian languages ⓘ Koreanic languages ⓘ
fieldOfStudy	comparative linguistics ⓘ historical linguistics ⓘ
hasDescendant	Eastern Old Japanese dialects ⓘ Okinawan language ⓘ surface form: Shuri–Naha Okinawan Japanese ⓘ surface form: Standard Japanese Western Old Japanese dialects ⓘ
hasLexicalInfluenceOn	basic vocabulary of Japanese ⓘ basic vocabulary of Ryukyuan languages ⓘ
hasMorphologicalFeature	agglutinative morphology (reconstructed) ⓘ postpositional case markers (reconstructed) ⓘ
hasPhonologicalFeature	open syllable structure CV (reconstructed) ⓘ pitch accent system (reconstructed) ⓘ simple consonant inventory (reconstructed) ⓘ
hasProposedExternalRelation	Altaic macrofamily hypotheses (largely rejected) ⓘ Koreanic–Japonic hypothesis (controversial) ⓘ
hasReconstructionMethod	comparative method ⓘ internal reconstruction ⓘ
hasSyntacticFeature	basic SOV word order (reconstructed) ⓘ head-final syntax (reconstructed) ⓘ
hasUncertainty	chronological placement debated ⓘ exact phoneme inventory debated ⓘ internal subgrouping of descendants debated ⓘ
languageFamily	Japonic languages ⓘ
partOf	Japonic languages ⓘ surface form: Japonic language family
reconstructedBy	linguists ⓘ
reconstructedFrom	Japanese ⓘ surface form: Japanese language Old Japanese ⓘ surface form: Old Japanese language Ryukyuan languages ⓘ
region	Japanese archipelago (reconstructed) ⓘ
studiedIn	Japonic comparative reconstruction ⓘ
timeDepth	late 1st millennium BCE to early 1st millennium CE (approximate, debated) ⓘ
writingSystem	no direct attested writing system ⓘ

How these facts were elicited

Referenced by (5)

Full triples — surface form annotated when it differs from this entity's canonical label.

Ryukyuan languages → hasAncestor → Proto-Japonic language ⓘ

Amami language → hasAncestor → Proto-Japonic language ⓘ

this entity surface form: Proto‑Japonic

Old Japanese → follows → Proto-Japonic language ⓘ

this entity surface form: Proto-Japanese

Proto-Japonic language → alsoKnownAs → Proto-Japonic language ⓘ

this entity surface form: Proto-Japanese–Ryukyuan

Okinawan language → hasAncestor → Proto-Japonic language ⓘ