Si Collection, Lower Volume Radical: Ox (niú) Character: Calves Kangxi strokes: 19 Page 704, Entry 38 Pronounced du. Shuowen Jiezi (Dictionary of Explaining Characters): A calf. Formed by the radical for ox and the phonetic element mai. Erya (Approaching Elegance), section on domestic animals: Its young is called du. Book of Rites (Liji), section on monthly ordinances: When offering a sacrificial colt or calf, record their numbers in writing. Also, Book of Rites (Liji), section on ritual vessels: When the Son of Heaven visits a feudal lord, the lord provides a feast with a calf. Also, Book of Han (Hanshu), Treatise on Rivers and Canals: The Yellow River breached at the Mingdu river mouth in Ling county, Qinghe. Commentary by Shigu says: This refers to the Mingdu river mouth in Ling county of Qinghe. Also, Book of Han (Hanshu), Treatise on Geography: Sangdu county in Beihai commandery. Duhe county in Yunzhong commandery. Textual verification: Book of Han (Hanshu), Treatise on Geography: Du county in Beihai commandery, Duhe county in Yunzhong commandery. Following the original text, the character Sang has been added before Du county.