fan-shaped fold

This paper makes an analysis of the two features of the dialect words in distribution in shuo wen jie zi by investigating the 158 dialect words in it:relative concentration and fan-shaped distribution revolving around Runan and the reason for such a distribution.

许慎《说文解字》中标明的 15 8个方言词语 ,其在区域上有两个明显特征 :一是相对集中 ,二是以汝南为中心扇状分布。