Xu Collection, Upper Volume Radical: Gate (mén) Entry: Yin Kangxi strokes: 17 Page 1338, Entry 29 Broad Rhymes (Guangyun): Pronounced yin Collected Rhymes (Jiyun), Rhymes Compilation (Yunhui), Correct Rhymes (Zhengyun): Pronounced yin Explanation from the Explaining Graphs and Analyzing Characters (Shuowen): The inner secondary gates of a city wall. Correct Rhymes (Zhengyun): A curved secondary gate within a city wall. Book of Odes (Shijing), Zheng Airs: Departing through the secondary city gates. Commentary: Yin refers to a curved city wall. History of the Former Han (Qianhan), Biography of Yang Xiong: The comet acted as a barrier. Annotation: An obstruction resembling the exterior walls of a city gate, known as a nu yuan. Also means to block. Rites of Zhou (Zhouli), Office of Earth: In charge of collecting clams and gathering goods, providing materials to block and fill the tomb. Annotation: Yin is synonymous with blocking. Masters of Huainan (Huainanzi), Military Strategy: Hunters pursuing game, with chariots racing and men running, each exhausting their strength; without the threat of punishment, they compete to block, intercept, and obstruct one another, for they share the same interest. Annotation: Means to block. Also used in the Commentary on the Hexagram of Difficulty at the Beginning (Yi Tun Gua Zhu): To be trapped in poverty and obstructed. Also a surname. Zuo Tradition (Zuo Zhuan), Fifth Year of Duke Ding: The Lord of Wu returned and imprisoned Yin Yu and Ba. Works of Master Zhuang (Zhuangzi), Signs of Full Virtue (Dechongfu): Yin-qi and Zhi-li, with no lips. Annotation: Yin-qi and Zhi-li describes feet that are constantly bent, with a body that is not straight and appears curled. No-lips is a name. Collected Rhymes (Jiyun): Pronounced yan. Meaning curved. Works of Master Zhuang (Zhuangzi), Signs of Full Virtue (Dechongfu): Yin-qi, as read by Sima Biao.