Hai Collection, Lower Volume Radical: Black (hēi) Kangxi strokes: 17 Page 1519, Entry 27 Pronounced you. Shuowen Jiezi (Shuowen): A slightly greenish-black color. Yupian (Yupian): Black; a slightly greenish color. Erya (Erya), Explanation of Implements: Black is called you. Erya (Erya), Explanation of Palace Structures: The surface of the ground is called you. Commentary: Using black to decorate the floor. Rites of Zhou (Zhouli), Ministry of Summer, Herdsmen: For yin sacrifices, use black sacrificial animals. Commentary: Pronounced you, meaning black. Yin sacrifices refer to the sacrifices offered to the earth at the northern outskirts and those offered to the gods of the soil and grain. Wang Yanshou, Rhapsody on the Lingguang Hall of Lu: Intertwining and surging. Commentary: Youjiu, the appearance of being prominent. Pronounced yi. History of the Former Han (Qianhan), Treatise on Geography: Danyang Prefecture, You County. Commentary: Originally written as yi (variant form), pronounced the same. Pronounced you. Guangya (Guangya): You is a black color used for painting and decorating. According to ritual regulations, the pillars of the palaces of the Son of Heaven and the feudal lords were painted black. Pronounced you. The meaning is the same. Pronounced yao. One explanation is that it refers to painting the ground black. Verification: Yin sacrifices refer to the sacrifices offered to the earth at the northern outskirts and those offered to the gods of the soil and grain. In accordance with the original commentary in the Rites of Zhou, the word nai has been changed to the word ji.