Chen Collection, Middle Volume. Radical: Tree (mù). Kangxi stroke count: 9. Page 517, Entry 05. Broad Rhymes (Guangyun): Pronounced yi. Collected Rhymes (Jiyun): Pronounced yi. Explaining Graphs and Analyzing Characters (Shuowen): The wood at the end of a plow. Extensive Elegance (Boya): A handle. Categorized Chapters (Leipian): The character ci is identical to this entry. Also, Collected Rhymes (Jiyun): Pronounced ci. Also, Five Sounds Collected Rhymes (Wuyin Jiyun): Pronounced si. The meaning is the same. Corrected Characters (Zhengzitong): Sometimes written in a variant form (shi). A wooden handle with a metal head. Composed of wood and metal, the meaning is interchangeable.