Xǔ Shèn
Xu Shen (-147) the compiler of the original Han dynasty dictionary Shuowen Jiezi 說文解字|说文解字[Shuo1 wen2 Jie3 zi4]
jié zi
knot (on a rope or string)
Duàn Yù cái
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]
Xú Xuàn
Xu Xuan (-991), author of commentaries on Shuowen Jiezi 說文解字註|说文解字注[Shuo1 wen2 Jie3 zi4 Zhu4]
Shuō wén Jiě zì
Shuowen Jiezi, the original Han dynasty Chinese character dictionary with 10,516 entries, authored by Xu Shen 許慎|许慎[Xu3 Shen4] in 2nd century
Shuō wén Jiě zì Zhù
Commentary on Shuowen Jiezi (1815) by Duan Yucai 段玉裁[Duan4 Yu4 cai2]