Zi Collection, Upper Volume, Page 1, Entry 01 Pronounced ye (falling tone). "Book of Rhymes (Jiyun)" explains the pronunciation as "ye". "Jade Letter (Yupian)" explains it as food that cannot be swallowed. "Explaining Words and Analyzing Characters (Shuowen Jiezi)" states it is food blocking the throat. In "Former Han History - Biography of Jia Shan (Qian Hanshu - Jiashan Zhuan)", there is the sentence "Food blockage is in front (Zhu yu zai qian)". The "Note (Zhu)" states this character is the same as the character "e". In "Songs of Chu - Nine Pains (Chuci - Jiǔ Sī)", it is written: Looking up at the sky and sighing deeply, the breath is blocked and stagnant.