中古人声韵在安徽沿淮江淮方言中的演变

Evolution of entering tone in Jianghuai dialects of Anhui province

中古入声韵在安微沿淮江淮方言中的表现复杂,根据入声韵主要元音的高低,大致可分为四种类型,入声韵呈现出自南向北渐次减少的地理渐变。通过与南京话入声韵的比较,可以发现四种代表性方言入声韵的消变途径表现为入声韵主要元音的合流、央化,入声字的舒化表现为竞争性演变的特点。

The ancient entering tones are complex in the Jianghuai dialects along the Huaihe River in Anhui province.According to the volume of entering tones,dialects along the Huaihe River can be divided into four kinds and the entering tones exhibit decreasing geographic change from south to north.Compared with the entering tone of Nanjing dialect,the changing channel of the four representative dialects assume the competitive evolution characteristics of vowel converging,Yang vowels and relaxation of entering tones.