Ortatürk (lit.'Middle Turkic') or Öztürkçe (lit.'Core Turkic') is a pan-Turkic auxiliary language. It is described as an averaged language. It uses statistical approach to create a common dictionary.
In 1992, Karimov and Mutalov created a formula to create an averaged word from the words used in a language family. They demonstrated this for Turkic, Slavonic, Iranian and Romance languages, but it is applicable to any group of related languages.
On 18 March 2008, during 5th Kurultai, the World Assembly of Turkic Peoples decided to found International Institute of the Language Ortaturk (Anatürk).[2] VATN created an online program to calculate median words for Ortatürk. It is a simplified version of Karimov and Mutalov's proposal. It generates words based on the "double majority" principle (by total number of native speakers and by number of languages). It uses data representing 25 Turkic languages with a total of 160 million speakers.[3]
In 2020s, Turkic speakers created an online group on VK to promote Ortatürk amongst Turkic speakers. Later, they changed the project's name to "Öztürkçe". In 2023, V.A. Mireev published "Öztürk Tili" with grammar, dictionary and translations. It has more than 16,000 words in the dictionary section.[4] An online dictionary is created in Glosbe platform with "mis_ort" code.