You Collection, Lower Volume
Radical: Carriage (chē)
Yi
Kangxi strokes: 21
Page 1249, Entry 19
According to the Extensive Rhymes (Guangyun), the Collected Rhymes (Jiyun), the Rhyme Compendium (Yunhui), and the Correct Rhymes (Zhengyun), it is pronounced dui. According to the Explanation of Simple and Compound Characters (Shuowen), it refers to the horizontal railing of a carriage. According to the General Explanation of Characters (Zhengzitong), a carriage has a guard rail in the front; the vertical wood pieces set upon the rail are called yi, and the horizontal ones are called zhi. In the Record of Trades in the Winter Offices of the Rites of Zhou (Zhouli), it says: Divide the circumference of the zhi by three, and remove one part to determine the circumference of the yi. The commentary explains: This refers to the vertical parts of the carriage railing. The vertical pieces are called yi, and the horizontal ones are called zhi; they are situated below the guard rail, and the name is derived from their position facing the person.
Also, according to the Extensive Rhymes (Guangyun), the Collected Rhymes (Jiyun), and the Rhyme Compendium (Yunhui), it is pronounced zhui. The meaning is the same.