Mao Collection, Middle Volume Radical: Hand (shǒu) Kangxi Strokes: 18 Page 460, Entry 17 Pronounced yi (rising tone). Shuowen Jiezi (Explanation of Characters): To estimate. Zengyun (Additional Rhymes): To calibrate, estimate, and conjecture in preparation. Book of Changes (Yijing), Appended Statements: Estimate before speaking. Sub-commentary: To weigh and estimate before speaking. Also, to resemble or compare. History of the Han (Hanshu), Biography of Gongsun Hong: When Guan Zhong was the chancellor of Qi, he built the Three Retreats, his extravagance rivaling that of the ruler. Commentary: Ni means to suspect; it refers to being similar. History of the Later Han (Hou Hanshu), Biography of Zhang Heng: Upon observing the Tai Xuan (Great Mystery), I realized that Ziyun (Yang Xiong) had reached the pinnacle of the Dao and its numbers, thus comparing him to the Five Classics. Jiyun (Collection of Rhymes): Sometimes written in a variant form (e). Also written in a variant form (yi). Book of Rites (Liji): Commonly written as a variant form (ni). History of the Han (Hanshu): Borrowed to be written as a variant form (yi).