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Old Turkic alphabet

Old Turkic script
Type
Alphabet
Languages Old Turkic
Time period
8th to 10th centuries
Parent systems
Proto-Sinaitic (?)
Child systems
Old Hungarian
Direction Right-to-left
ISO 15924 Orkh, 175
Unicode alias
Old Turkic
U+10C00–U+10C4F

The Old Turkic script (also known as variously Göktürk script, Orkhon script, Orkhon-Yenisey script) is the alphabet used by the Göktürk and other early Turkic Khanates during the 8th to 10th centuries to record the Old Turkic language.

The script is named after the Orkhon Valley in Mongolia where early 8th-century inscriptions were discovered in an 1889 expedition by Nikolay Yadrintsev. These Orkhon inscriptions were published by Vasily Radlov and deciphered by the Danish philologist Vilhelm Thomsen in 1893.

This writing system was later used within the Uyghur Empire. Additionally, a Yenisei variant is known from 9th-century Kyrgyz inscriptions, and it has likely cousins in the Talas Valley of Turkestan and the Old Hungarian alphabet of the 10th century. Words were usually written from right to left.

According to some sources, Orkhon script is derived from variants of the Aramaic alphabet, in particular via the Pahlavi and Sogdian alphabets, as suggested by V. Thomsen, or possibly via Kharosthi (cf., Issyk inscription).


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