Chou Collection, Upper Volume Radical: Mouth (kǒu) 噢 Kangxi strokes: 16 Page 209, Entry 25 Pronounced yu. In the Comprehensive Rhymes (Guangyun) and Collection of Rhymes (Jiyun), it is noted as a sound similar to yu. According to the Jade Chapters (Yupian), the term ou-yi indicates internal sorrow. Also, in the Comprehensive Rhymes (Guangyun), Collection of Rhymes (Jiyun), and Rhyme Compilation (Yunhui), it is pronounced yu. According to the Comprehensive Rhymes (Guangyun), the term ou-xi refers to the sound of illness. In the Corrected Rhymes (Zhengyun), it is considered the same as the character for warm (yu). Also, according to the Collection of Rhymes (Jiyun), it is pronounced ju, and another pronunciation is you. The meaning is the same. Also pronounced yu. This is the original form of the character for warm (yu). See the entry for the character for warm (yu) under the Fire radical for details.