Turkey (derived from the  Medieval Latin   Turchia , i.e. "Land of the Turks") in the 11th century. The process was greatly accelerated by the  Seljuk  victory over the  Byzantines  at the  Battle of Manzikert . [10]  Several small  beyliks  and the  Seljuk Sultanate of Rûm  ruled Anatolia until the  Mongol