Old Uyghur alphabet

The Old Uyghur alphabet is a cursive-joining alphabet with features of an abjad. Letters join together at a baseline, and have both isolated and contextual forms, when they occur in initial, medial or final positions. The script is traditionally written vertically, from top to bottom and left to right. After the 14th century, some examples in a horizontal direction can be found. Words are separated by spaces.[3] Like the Sogdian alphabet (technically, an abjad), the Old Uyghur tended to use matres lectionis for the long vowels as well as for the short ones. The practice of leaving short vowels unrepresented was almost completely abandoned.[4] Thus, while ultimately deriving from a Semitic abjad, the Old Uyghur alphabet can be said to have been largely "alphabetized".[5]

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  Yuan dynasty Buddhist inscription written in Old Uyghur on the west wall of the Cloud Platform at Juyong Pass
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  Yuan dynasty Buddhist inscription written in Old Uyghur on the east wall of the Cloud Platform at Juyong Pass
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  Slave contract
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  Contract on taxation
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  Ming era text from volume with accompanying Chinese translation
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  Yuan era epitaph
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  Mehmed the Conqueror's Fetihname (Declaration of conquest) after the Battle of Otlukbeli
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  Jarlig of Temür Qutlugh

The Old Uyghur alphabet was added to the Unicode Standard in September, 2021 with the release of version 14.0.

The Unicode block for Old Uyghur is U+10F70–U+10FAF:

• Western Yugur language

Wikimedia Commons has media related to Old Uyghur alphabet.

• Latin to Old Uyghur transliteration
• Old Uyghur Alphabet on Omniglot
• Old Uyghur alphabet and Orkhon Turkic alphabet