Wu Collection, Upper Volume Radical: Field (tián) Mu Kangxi strokes: 12 Page 763, Entry 16 Pronounced mu (falling tone). The original form of the character for acre (mǔ). Shuowen Jiezi states: Six feet make one pace, and one hundred paces make one acre (mǔ). Rites of Zhou (Zhouli), Office of Earth, Grand Minister of Instruction: For land that does not require fallowing, each household is allocated one hundred acres. Commentary states: Land that does not require fallowing refers to fertile soil that can be cultivated every year. Therefore, each household is allocated one hundred acres. Book of Han (Hanshu), Treatise on Food and Money: The principle of governing the common people has settlement on the land as its foundation, therefore it is essential to establish the standards for measurements of paces and acres.