Shen Collection, Middle Volume. Radical: Insect (chóng). Kangxi Stroke Count: 18. Page 1098, Entry 10. Pronounced rao. According to the Explaining Graphs and Analyzing Characters (Shuowen Jiezi), it refers to small parasitic worms found in the abdomen. In the Six and Seven Chapters of the Guan Yinzi, it is written: Within this body of mine, pinworms and roundworms transform and multiply, while externally lice and fleas are produced. In the Biography of Canggong from the Records of the Grand Historian (Shiji), it is written: Pinworms accumulate to form disease. In the Essay on Scolding the Corpse Worm by Liu Zongyuan, it is written: Small pinworms bore holes in the stomach. Also, pronounced yao. The meaning is the same.