His Old Uyghur name is reconstructed as Ormïzt, which transcribed Sogdian wrmzt "Ormuzd", ultimately derived from Ahura Mazda "Lord of Wisdom", the chief creator god of Zoroastrianism.
Some of the Huigu people, led by Wamosi—who was said to be a brother of a khan[2] (and the modern historian Bo Yang believed that he was Yaoluoge Hesa's brother[3]), along with the chancellors Chixin (赤心), Pugu (僕固), and the noble Najiachuo (那頡啜; *Nağïd Čur[4]), arrived at the Tang border city of Tiande (天德軍, in modern Bayan Nur, Inner Mongolia).
Emperor Wuzong, while not immediately doing so, ordered Tian not to provoke the Huigu, while ordering the armies of Hedong (河東, headquartered in modern Taiyuan, Shanxi) and Zhenwu (振武, headquartered in modern Hohhot, Inner Mongolia, which Tiande was part of) Circuits to mobilize to prepare to respond if the Huigu army attacked.
Apparently to further assure Emperor Wuzong of his faithfulness, Wamosi requested that his family members be kept at Hedong's capital Taiyuan Municipality and that he and his brothers be posted to the borders to help defend Tang.
Emperor Wuzong ordered that the military governor (jiedushi) of Hedong, Liu Mian (劉沔), to treat Wamosi's family with kindness.
)[2] In fall 842, with Wujie Khan and other Huigu remnants still posing threats, Emperor Wuzong ordered Liu, Li Sizhong, and Zhang Zhongwu the military governor of Lulong Circuit (盧龍, headquartered in modern Beijing), to rendezvous at Taiyuan to prepare for further operations.
Believing that the Tang border generals were suspicious of him, he requested that he, his brothers, as well as his ally, the noble Ai Hongshun (愛弘順), all be transferred to Chang'an.