Mao Collection, Lower Volume Radical: Tapping (pū) Kangxi Strokes: 12 Page 473, Entry 02 Broad Rimes (Guangyun) and Collected Rimes (Jiyun) pronounce this as ke (third tone). It sounds the same as the word for grain or kernel. Explanation of Simple and Compound Characters (Shuowen) states that it means to grind or refine. Shun had a younger sister named Keshou. Broad Refinements (Boya) states that it means to tap or strike. Also, in Broad Rimes (Guangyun) and Collected Rimes (Jiyun), it is pronounced as ke (fourth tone). The meaning remains the same.