You Collection, Upper Volume Radical: Speech (yán) Kangxi Strokes: 16 Page 1169, Entry 27 Collected Rimes (Jiyun), Dictionary of Rimes (Yunhui), and Correct Rimes (Zhengyun) state the pronunciation is shi (rising tone). Explaining Graphs and Analyzing Characters (Shuowen): Means to manage or put in order. Broad Refinements (Guangya): Means this or to be correct. Jade Chapter (Yupian): Means to examine or to look closely. Broad Rimes (Guangyun): Means to rectify. Interoperable with the character for this. Book of Documents (Shangshu), Chapter on Ta Jia: The former kings contemplated this (shi) illustrious mandate of Heaven. Commentary: Shi means this. Sub-commentary: Shi and the character for this are ancient and modern variations, hence the text uses the term shi here. Book of Documents, Biography of Yao Cha: Investigating and reviewing the ancient and modern, and rectifying (shi) the written characters. Note: Shi is the same as the character for this. Collected Rimes (Jiyun): Sometimes written in a variant form (ti). Also, Collected Rimes (Jiyun) and Correct Rimes (Zhengyun) state the pronunciation is di. Equivalent to the character for scrutinize (di). Sometimes written in a variant form.