Zi Collection, Upper Volume Radical: Person (rén) Page 10, Entry 02 Recorded in "Jiyun" and "Zhengyun" as pronounced "liang ju qie," sounding similar to "lü." "Yupian" explains it as "to err" or "mistake." "Jiyun" further defines it as "to mistake copper for iron." Originally written as 铝. In "Zhou Li - Kaogong Ji - Qin Wulu Zhu," it is mentioned that 庐, according to some, is a tool for polishing 䥨. "Shu" explains that the handle needs to be polished 䥨 to make it smooth. Additionally, "Jiyun" records this character as pronounced "ling ru qie," sounding similar to "lu." It refers to the part where the handle is attached to a spear or halberd.