Old Tibetan

Old Tibetan
Region	Tibet
Era	7th–11th centuries, after which it became Classical Tibetan
Language family	Sino-Tibetan Tibeto-Burman Tibeto-Kanauri? Bodish Tibetic Old Tibetan
Writing system	Tibetan script
Language codes
ISO 639-3	otb
Linguist List	otb
Glottolog	None

Old Tibetan refers to the earliest attested form of Tibetan language, reflected in documents from the adoption of writing by the Tibetan Empire in the mid-7th century to the early 9th century. In 816 CE, during the reign of Tibetan King Sadnalegs, literary Tibetan underwent comprehensive standardization, resulting in Classical Tibetan.^[1]