Chou Collection, Upper Volume Radical: Mouth (kǒu) Character: kū Kangxi stroke count: 10 Page 190, Entry 25 Broad Rhymes (Guangyun), Collected Rhymes (Jiyun), and Rhyme Meeting (Yunhui) define it as pronounced kǔ. Explanation of Writing (Shuowen): The sound of mourning. Composed of two mouth symbols, with the sound provided by an abbreviated form of the character for prison. Xu Kai says: The sound of weeping is complex, which is why it is composed of two mouth symbols. A loud sound is called kū, while a quiet sound with tears is called qì. Jade Chapters (Yupian): The sound emitted in sorrow. Book of Rites (Liji), Section on Tan Gong: Singing here, and weeping here.