Zi Collection, Page Position: Lower Radical: Tree (mù) Page 382, Entry 09 According to the Jade Chapters (Yupian), this is the ancient form of the character for chestnut. For further notes, see the six-stroke section. The Rites of Zhou (Zhouli), section Winter Offices, Records of Artificers (Dongguan Kaogongji) states: There are six types of metalworkers: those who cast bells, those who smelt, those who cast vessel stands, those who make arrowheads, those who forge, and those who make swords. Among them, the Li (li) clan refers to the artisans responsible for manufacturing measuring instruments.