Southern Ryukyuan languages
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The form one of two branches of the Ryukyuan languages. They are spoken on the Sakishima Islands in
Okinawa Prefecture is a prefecture of Japan. Okinawa Prefecture is the southernmost and westernmost prefecture of Japan, has a population of 1,457,162 (as of 2 February 2020) and a geographic area of 2,281 km2 (880 sq mi). Naha is the capital and largest city o ...
. The three languages are Miyako (on the
Miyako Islands The (also Miyako Jima group) are a group of islands in Okinawa Prefecture, Japan, belonging to the Ryukyu Islands. They are situated between the Okinawa Island and Yaeyama Islands. In the early 1870s, the population of the islands was estim ...
) and Yaeyama and
Yonaguni , one of the Yaeyama Islands, is the westernmost inhabited island of Japan, lying from the east coast of Taiwan, between the East China Sea and the Pacific Ocean proper. The island is administered as the Towns of Japan, town of Yonaguni, Okina ...
(on the
Yaeyama Islands The Yaeyama Islands (八重山列島 ''Yaeyama-rettō'', also 八重山諸島 ''Yaeyama-shotō'', Yaeyama: ''Yaima'', Yonaguni: ''Daama'', Okinawan: ''Yeema'', Northern Ryukyuan: ''Yapema'') are an archipelago in the southwest of Okinawa ...
, of the Macro-Yaeyama subgroup). The Macro-Yaeyaman languages have been identified as "critically endangered" by
UNESCO The United Nations Educational, Scientific and Cultural Organization is a specialized agency of the United Nations (UN) aimed at promoting world peace and security through international cooperation in education, arts, sciences and culture. It ...
and Miyako as "definitely endangered". All Ryukyuan languages are officially labeled as dialects of Japanese by the Japanese government despite
mutual unintelligibility In linguistics, mutual intelligibility is a relationship between languages or dialects in which speakers of different but related varieties can readily understand each other without prior familiarity or special effort. It is sometimes used as an ...
. While the majority of Ryukyuan languages have used
Chinese Chinese can refer to: * Something related to China * Chinese people, people of Chinese nationality, citizenship, and/or ethnicity **''Zhonghua minzu'', the supra-ethnic concept of the Chinese nation ** List of ethnic groups in China, people of va ...
or
Japanese script The modern Japanese writing system uses a combination of logographic kanji, which are adopted Chinese characters, and syllabic kana. Kana itself consists of a pair of syllabaries: hiragana, used primarily for native or naturalised Japanese wo ...
for writing, the Yaeyama Islands never had a full-featured writing system. Islanders developed the Kaidā glyphs as a simple method to record family names, items, and numerals to aid in tax
accounting Accounting, also known as accountancy, is the measurement, processing, and communication of financial and non financial information about economic entities such as businesses and corporations. Accounting, which has been called the "languag ...
. This system was used until the 19th century introduction of Japanese-language education. Even today, communication in the Yaeyama or Yonaguni languages is almost exclusively oral, and written communication is done in Japanese.


Reconstruction

Proto-Sakishima, the
proto-language In the tree model of historical linguistics, a proto-language is a postulated ancestral language from which a number of attested languages are believed to have descended by evolution, forming a language family. Proto-languages are usually unattest ...
ancestral to the Southern Ryukyuan languages, has been reconstructed by Bentley (2008).Bentley, John R. 2008.
A Linguistic History of the Forgotten Islands: A Reconstruction of the Proto-language of the Southern Ryūkyūs
'. Leiden: Brill.


References

{{Japonic languages Languages of Japan Ryukyuan languages Ryukyu Islands Culture in Okinawa Prefecture