Nuosu or Nosu, also known as Northern Yi, Liangshan Yi, and Sichuan Yi, is the prestige language of the Yi people; it has been chosen by the Chinese government as the standard Yi language and as such
北部方言彝文文献
A signpost in a public park in Xichang, Sichuan, China, showing Modern Yi, Chinese and English text.
The Yi scripts are two scripts used to write the Yi languages; Classical Yi, and the later Yi syllabary.
Nuosu language
…Lolo, Moso, or Noso. The six Yi languages recognized by the Chinese government have only 25% to 50% of their vocabulary in common. They share a common traditional writing system, but that is used for shamanism, rather than daily accounting. According to the Encyclopedia Britannica, it is one of the eight Tibeto-Burman languages…
A Yi manuscript from 1814.
A classical Yi manuscript.
Trilingual signs, in Chinese (logosyllabic script), Yi (syllabic script), and Hani (alphabetic Hanyu Pinyin romanization) on the Lihaozhai Township government office. Jianshui County, Yunnan. The Yi and Hani texts apparently have a syllable-to-syllable correspondence to the Chinese text. The standard Sichuan Yi Pinyin transcription is not used here because these signs are displayed in a province where the Nuosu (Northern Yi) language is not natively spoken. The displayed transcription with the modern Yi syllabic script (which is a huge simplification of the Classical Yi logosyllabic script which was used before the 1980s but with many non standardized variants) is less precise than the modern Hani Pinyin romanization.