Wu Collection, Middle Volume Radical: Eye (mù) 督 Kangxi Stroke Count: 13 Page 810, Entry 31 Pronounced du (low-rising tone). Shuowen Jiezi (Shuowen): To examine. Guangyun: To lead, to exhort. Zengyun: To urge, to hasten. Zhengyun: To oversee. Also, to enjoin or warn. Book of Han (Hanshu), Biography of Che Qianqiu: It is appropriate to provide instruction and oversight. Old Book of Tang (Jiu Tangshu), Biography of Pei Du: Requested to personally oversee the battle. Also, according to Shuowen Jiezi: Eye pain. Also, according to Erya, Shigu: To correct. Zuo Zhuan, 12th year of Duke Xi: To speak of du (oversight) is not to forget. Commentary (Shu): Referring to the merits and virtues of Guan Zhong being correct and not forgotten. Also, according to Zengyun: To reproach. Records of the Grand Historian (Shiji), Annals of Xiang Yu: Heard that the Great King intends to reproach me for my faults. Note: Du means to reproach. Also, to examine. Han Feizi, Yangquan Chapter: To examine and interrogate them thoroughly. Note: To examine completely. Also, the middle. Zhou Rites (Zhouli), Winter Officials, Artisans Record, Commentary: The length of the side of the du. Commentary (Shu): The center is called du, which is used to supervise both sides. Zhuangzi, Nourishing the Lord of Life: Follow the middle as the constant. Note: Du means the middle. It refers to standing exactly between two spaces, commonly known as riding the seam. Liushu Gu: The governor vessel (dumai) of the human body is the center of the body, running from top to bottom; therefore, the seam of a garment running down the center of the back, reaching from top to bottom, is also called du. It is also written as a variant form (du). Also, Qijing Kao: Du means gathering (du), as the governor vessel is the central meridian for all yang vessels. Also, Jia Du: The eldest son. Records of the Grand Historian (Shiji), House of Yue: The eldest son of Zhu Gong is called Jia Du, meaning the head of the family. Also, a general is called Du. Book of the Later Han (Hou Hanshu), Biography of Guo Gong: Military officers are all unified under the command of the Du. Also, Duyu and Duhu and Dudu are all titles of officials. Also, a place name. Zuo Zhuan, 16th year of Duke Cheng: Our army stationed at Duyang. Note: This is Zhuke County, now part of Jinan Prefecture. Also, Records of the Grand Historian (Shiji), House of Yan: Jing Ke presented the map of Dukang to the state of Qin. Note: Dukang is a place in Yan. Xu Guang says: Zhuo has a Dukang Pavilion. Also, a surname. Its prominent branch originates from Ba Prefecture; there was a Du Rong during the Jin Dynasty. Also, interchangeably used with du (thick/sincere), du (poison), and zhu (India). Book of Documents (Shujing), Charge to Weizi: Saying, to be sincere and not forget. Kong Commentary: Du means thick (sincere). The original text is also written as zhu. The Zuo Zhuan mentions: Du (sincere) and not forgotten. Lin's note says: To be sincere is not to be forgotten. Book of Han (Hanshu), Biography of Zhang Qian: Shendu is located to the southeast of Daxia. Li Qi says: Also called Tiandu. Shi Gu says: Present-day Tianzhu (India) is likely Shendu; the sound shifted to Tiandu; the character du was abbreviated as zhu, which later shifted to the sound of zhu. Book of the Later Han (Hou Hanshu), Du Du's Lun Du Fu: Destroying Tiandu. Note: This refers to the country of Tianzhu. This shows that the characters for du, du, zhu, and du were anciently interchangeable.