Mao Collection, Middle Volume Radical: Hand (shǒu) Page 460, Entry 18 Pronounced yi (rising tone). From the Explanation of Writing (Shuowen Jiezi): To estimate or measure. From the Expanded Rhymes (Zengyun): To plan, estimate, or speculate in preparation. Book of Changes (Yijing), Commentary on the Appended Phrases: To estimate before speaking. Commentary: To estimate and measure before speaking. Also: To resemble or compare. History of the Former Han (Hanshu), Biography of Gongsun Hong: Guan Zhong served as prime minister of Qi and had three retreats, with extravagance comparable to the ruler. Note: To compare, meaning to be similar to. History of the Later Han (Houhanshu), Biography of Zhang Heng: Upon observing the Tai Xuan, I realized that Ziyun had mastered the intricacies of the Way, and it is comparable to the Five Classics. From the Collected Rhymes (Jiyun): Sometimes written in a variant form (yì). Also written as (yì). Book of Rites (Liji): Often used interchangeably with the form (yǐ). History of the Han (Hanshu): Sometimes used as a loan character for (yí).