Wu Collection, Middle Volume Radical: Sickness (bìng) Tu Kangxi Strokes: 14 Page 776, Entry 28 Pronounced tu. In the Shuo Wen Jie Zi (Explaining Graphs and Analyzing Characters), it is defined as sickness. From the Book of Odes (Shijing), Zhou Nan section: My horses are worn out and sick. The commentary states: Tu means sickness.