Pai-lang
Pai-lang was a Sino-Tibetan language once spoken in China.
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Bailang or Pai-lang (Chinese: 白狼; pinyin: Bái láng; lit. 'white wolf') is the earliest recorded Tibeto-Burman language, known from three short songs, totalling 44 four-syllable lines, recorded in a commentary on the Book of the Later Han. The language is clearly either Lolo–Burmese or closely related, but as of the 1970s it presented "formidable problems of interpretation, which have been only partially solved".
From Wikipedia · Bailang language · CC BY-SA 4.0