Shen Collection, Upper Volume Radical: Grass (cǎo) 薪 Kangxi Stroke Count: 19 Page 1062, Entry 09 Pronounced xin. According to the Explaining Graphs and Analyzing Characters (Shuowen Jiezi), it refers to fuel (raó). It also refers to firewood. Book of Odes (Shijing), Qi Odes: How does one split firewood? Book of Rites (Liji), Monthly Ordinances (Yueling): It is recorded that in the late autumn, when vegetation withers and leaves fall, one may cut down timber to burn into charcoal. Rites of Zhou (Zhouli), Earth Officer, Superintendent of the Fields (Dianshi), Commentary: It states that thick timber is called xin. Additionally, grass may also be referred to as xin. Mencius (Mengzi): It mentions destroying its firewood and trees. Zhao Qi Commentary: It explains that this refers to the concern that they would damage my firewood and trees. Furthermore, the gathering of firewood is also referred to as xin. History of the Former Han (Qian Hanshu), Treatise on Penal Law: It is recorded that after a criminal is sentenced, they serve the chengdan chong labor service; after three years, they are transferred to the guixin baican labor service. Textual Research: In the Book of Rites (Liji), Monthly Ordinances (Yueling), the phrase regarding replacing firewood to make charcoal has been corrected from the original text to read as cutting firewood to make charcoal.