Addendum Chen Collection, Middle Volume Radical: Tree (mù) Character: Zha Kangxi Dictionary Stroke Count: 10 Page 1557, Entry 03 Supplement to the Collection of Characters (Zihui bu): Pronunciation unknown. Used as a personal name. During the Song Dynasty, a person named Long Zha was granted the name Zhao Huaien. Recorded in New History of the Song Dynasty (Songshi xinbian), Biography of Wang Hou. It is suspected to be a corruption of the two characters for torture by squeezing fingers.