Tosu language

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Native to China
Native speakers
few to none  (2012)[1]
Language codes
ISO 639-3 included in ers
Linguist list
qob (not ISO)
Glottolog tosu1234[2]

Tosu (Chinese: 多续 Duōxù) is a possibly extinct Qiangic language of China which shows strong affiliations to both the Loloish languages and to Tangut (Hsi-hsia). Yu (2012) classifies it as an Ersuic language, which belongs to the Qiangic branch. There are "almost no Tosu speakers left", or "practically" no Ersu speakers left.[1]


  1. ^ a b Yu (2012:1–2)
  2. ^ Nordhoff, Sebastian; Hammarström, Harald; Forkel, Robert; Haspelmath, Martin, eds. (2013). "Tosu". Glottolog 2.2. Leipzig: Max Planck Institute for Evolutionary Anthropology. 
  • Yu, Dominic. 2012. Proto-Ersuic. Ph.D. dissertation. Berkeley: University of California, Berkeley, Department of Linguistics.


  • Tatsuo Nishida, 1973, 多続訳語の研究 : 新言語トス語の構造と系統 [A Study of the Tosu–Chinese Vocabulary Tosu I-yu: the structure and lineage of Tosu, a new language], 松香堂 Shokado, Kyoto (Japanese)
  • T. Nishida, 1975, "Hsi-hsia, Tosu, and Lolo–Burmese", Sino-Tibetan Conference VIII, Berkeley
  • T. Nishida, 1976, "Hsi-hsia, Tosu, and Lolo–Burmese languages", Studia Phonologica 10:1–15