You Collection, Middle Volume
Radical: Foot (zú)
Character: yi
Kangxi strokes: 12
Page 1222, Entry 36
Pronounced ye (falling tone). According to the Tang Dynasty Rhyme Dictionary (Tangyun) and the Collected Rhymes (Jiyun) and the Rhyme Collection (Yunhui), the pronunciation is the same as the character for pull or drag.
In the Explanation of Writing (Shuowen), it is defined as to narrate. In the Jade Chapters (Yupian), it is defined as to exceed or surpass. In the Broad Rhymes (Guangyun), it is defined as to jump.
In the Biography of Yang Xiong in the History of the Former Han Dynasty (Qianhan Shu), there is the phrase to cross the mountain pits. The commentary by Yan Shigu states that this character means to cross over.
Also, according to the Broad Rhymes (Guangyun) and the Collected Rhymes (Jiyun), it is pronounced chuai (falling tone). This is the same as the character for dragging or hobbling. It is sometimes written in a variant form.
Also, according to the Collected Rhymes (Jiyun), it is pronounced shi (falling tone), with the same meaning.