Zi Collection, Upper Volume, Page 45, Entry 07 Pronounced yu (falling tone). Also, in the "Guangyun" (Guangyun), it is pronounced yu bi qie (falling tone, falling tone). In the "Jiyun" (Jiyun), it is pronounced yue bi qie (falling tone, falling tone), with the same pronunciation as "yu". The "Yupian" (Yupian) explains it as the name of a type of horse. Also, in the "Jiyun" (Jiyun), it is recorded as "huan xi" (huan xi), which describes the appearance of a horse galloping. Also, in the "Jiyun" (Jiyun), it is pronounced hu yu qie (falling tone, falling tone), with the same pronunciation as "xue". The meaning is the same.