Zi Collection, Page Position: Upper. Radical: Line (gǔn). Ya. Kangxi Stroke Count: 3. Page 79, Entry 01. According to the Expanded Rhymes (Guangyun), Collected Rhymes (Jiyun), and Correct Rhymes (Zhengyun), the pronunciation is derived from the sounds yu and jia, sounding like ya. It refers to the forked top of an object. According to the Unified Six Scripts (Liushutong), the term yaqi refers to the end of an object. The character shape resembles the form of a forked end. According to the Reference for Identical Scripts (Tongwen Beikao), it refers to the branches of plants and trees that grow upward in a forked manner.