Chen Collection, Lower Volume Radical: Lack (qiàn) Page 566, Entry 13 Pronounced yù. According to the Explaining Graphs and Analyzing Characters (Shuowen Jiezi), it is a term for explanation. Xu states that to explain means to reason, thus it is a term used to reason through matters. Citing the Book of Odes (Shijing): In search of peace. Note: In the current version of the Odes: Greater Odes (Daya), the character is written as yu. Zhu Xi notes that yu and yu are the same. In Ban Gu's Rhapsody on Quiet Communion (Youtong Fu): To follow the central harmony is to be nearly there; Yan and Ran could not achieve it. Yan Shigu notes: This is an ancient form of the character for yu. Yu means to follow. By following the path of the central harmony, one might nearly escape disaster. Pronounced yì. The meaning is the same. Another definition is to be happy. The original form is written with the day element at the top, though the common form incorrectly uses the sun element. It is encoded the same as the character with the sun radical. Supplementary Note: In the Categorized Dictionary (Pianyun), it is pronounced huan. The Supplement to the Comprehensive Collection of Characters (Zihui Bu) notes it is different from the entry under the lack radical.