Zi Collection, Page Position: Upper, Radical: Ear (ěr), Page 134, Entry 05 Pronounced rou (rising tone). In the "Guangyun" (Guangyun), it is pronounced with "er you". In the "Jiyun" (Jiyun), it is pronounced with "er you". The "Yupian" (Yupian) explains it as the thick mane of a horse. Additionally, the "Leipian" (Leipian) offers another interpretation, referring to yellow hair.