Zi Collection, Upper Volume, Page 21, Entry 08 Pronounced bo (falling tone) according to Guangyun (Guangyun) and Jiyun (Jiyun), same pronunciation as "bu". Explained in Yutian (Yutian) as a rope for tying the head of an ox. Explained in Guangyun (Guangyun) as a rope for tying the head. Jiyun (Jiyun) explains that tying hair is called "li". Also, according to Guangyun (Guangyun), the pronunciation is feng (falling tone), and according to Jiyun (Jiyun), the pronunciation is bu (entering tone), same pronunciation as "wei". The meaning is the same. The original character in Jiyun (Jiyun) is written as.