Not to be confused with Velar approximant ɰ or the Armenian letter պ.
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Cche or Double Che (Ꚇ ꚇ; italics: Ꚇ ꚇ) is a letter of the Cyrillic script.[1] It was used in the old Abkhaz alphabets, where it represents the voiceless retroflex affricate/ʈ͡ʂ/. The letter was invented by baron Peter von Uslar. In 1862 he published his linguistic study "Абхазский язык".[2] The letter is Ҽ-shaped but in 1887 Uslar's study was reprinted by M. Zavadskiy who changed its shape and the result resembled a Cyrillic Ч doubled.[2] Later the letter returned to its initial form which, created by linguist Uslar, is part of modern Abkhaz alphabet, which is depicted as Ҽ.