回纥为回纥语 uyghur 的音译,其含意是“联合”、“同盟”、“共同辅佐”,原为氏族部落的名称,到唐代成为民族与汗国的名称。回纥原为铁勒的一部,其远祖可推到春秋时期的狄、汉魏时期的丁零。魏晋南北朝时期因为同柔然族的战争,其中一部分于492年往西迁徙至天山一带,分成东西两部。东部铁勒中的一部叫乌纥或乌护,西部铁勒中的一部叫袁纥或韦纥。7世纪初,西突厥处罗可汗对铁勒各部实行残暴统治。605年,处罗可汗袭掠铁勒各部,抢掠财物,杀其氏族首领几百人。铁勒起兵反抗,大败处罗可汗。630年,东突厥汗国灭亡后,回纥从属于薛延陀汗国。646年,唐 The Uyghur transliteration is the transliteration of Uyghur. Its meaning is “union,” “alliance,” and “co-adjunction.” It used to be the name of a clan, and it became the name of the nation and the Khanate in the Tang Dynasty. The original ancestors were a part of Tiller, and their ancestors could be pushed to the Ding and Han dynasties during the Spring and Autumn Period. During the Wei, Jin and Southern and Northern Dynasties, because of the war with the Rouran ethnic group, some of them migrated westward to the Tianshan area in 492 and were divided into eastern and western parts. One of the eastern Tillers was called Wuhuan or Wuhu, and the other in the western Tiele was Yuan Xiao or Wei Wei. At the beginning of the 7th century, the Western Turkic Division Rokhan exercised brutal rule over various parts of the Ironclad. In 605, Luo Khan swept the ministries of Tiele, looting their belongings and killing hundreds of their chiefs. Tyler rebelled and defeated Rokhan. In 630, after the demise of the East Turkistan Khanate, the Uighurs were subordinate to the Xue Yantuo Khanate. In 646, Don