Zi Collection, Page Position: Lower; Radical: Kneeling Man (jié); Kangxi strokes: 13; Page: 160, entry 11 According to Tangyun, Jiyun, and Zhengyun, pronounced xī. Shuo Wen Jie Zi defines it as "the joint at the upper end of the lower leg." Composed of the radical Kneeling Man (jié), with qī as the phonetic component. Xu Yue states: "Currently it is commonly written as 膝 (xī). It is a joint of the human body." In the "Biography of King Bi of Wu" from the Book of Han (Hanshu), it says: "Knocking one's head and walking on one's knees." In Fangyan (Fāngyán), it states: "A spear handle as slender as a wild goose's lower leg is called hèxī." It also states: "A short garment tied around the waist is called bìxī." Nièxī (啮厀) is also the name of a horse. In the "Biography of Wang Bao" in the Book of Han, it says: "driving a Nièxī horse." Meng Kang's commentary states: "A good horse can touch its knees with its mouth when it lowers its head, hence it is called Nièxī." Jiyun states: "Sometimes also written as 膝 (xī)."