Hai Collection, Lower Volume Radical: Black (hēi) Kangxi Strokes: 18 Page 1520, Entry 05 Pronounced xia According to Explanation of Script and Definitions of Characters (Shuowen Jiezi): Xia refers to a hard, black color. Also, according to Regional Dialects (Fangyan) by Yang Xiong: Xia means intelligence. In the regions of Zhao and Wei, this is the term used for being clever. Also used as a personal name. Cao Shuang had the childhood name Xia. Also, following the rhyme pattern for the sound jie (entering tone). In the Essay on the Nature of Things (Hexing Fu) by Zhongchang Tong: The foolish are all the same, and there is no difference in wisdom. Based on this, who can say who is dull and who is clever.