Wu Collection, Lower Volume Radical: Stone (shí) Keng Kangxi stroke count: 13 Page 831, Entry 20 Pronounced keng. According to the Explaining Graphs and Analyzing Characters (Shuowen Jiezi), it refers to remaining hardness. Formed from the Stone radical, with the component for hard abbreviated. Additionally, in the Collected Rhymes (Jiyun), it is pronounced kang, meaning rigid. In the Correct Meaning Thoroughly Investigated (Zhengzitong), it is considered the same as the character pronounced keng.