 Pulleyblank linked Kangju to the Tocharian A word "kāṅka-", probably meaning "stone" and proposed that the Kangju were originally Tocharians who had migrated westward into Sogdia and established themselves in Chach (modern Tashkent).Pulleyblank also suggested that the Jié (羯) tribe Qiāngqú (羌渠) might be Kangju people who had been incorporated into the Xiongnu tribal confederation.Pulleyblank further connected Kangju to Kànjié 瞰羯 (*"Kamkar"?)