Xu Collection, Middle Volume Radical: Leather (gé) Entry: 22 Page 1392, Entry 12 Encyclopedia of Characters (Pianhai) states it is the same as the character pronounced ta. Correct Standards (Zhengzitong) states that it was originally written as the current form. Also, in the case of the Dada (Ta) people, they are located to the northwest of the Qidan; the tribe originated as a distinct branch of the Shatuo people.