段玉裁

Duan Yucai (1735-1815), author of Commentary on Shuowen Jiezi (1815) 說文解字註|说文解字注[Shuo1 wen2 Jie3 zi4 Zhu4]

surname Duan

paragraph / section / segment / stage (of a process) / classifier for stories, periods of time, lengths of thread etc

jade

to cut out (as a dress) / to cut / to trim / to reduce / to diminish / to cut back (e.g. on staff) / decision / judgment