粤东闽语鼻化韵的扩散现象

The Diffusion Phenomena of Nasalized Finals of Min Dialect in Eastern Guangdong

粤东闽语的鼻化韵母有四种来源,其中一部分是由古阴声韵变来的,且并非由声母同化而成。这类鼻化韵产生时间较晚,并无明确的语音分化条件,而是由于操闽方言者惯常的口鼻同时发音习惯扩散所导致,并经由词汇扩散而形成今天的分布状况。探讨粤东闽语这一语音现象,对"扩散"理论有一定的补充作用。

Part of the nasalized finals which have four sources in Min Dialect of Eastern Guangdong（MDEG）comes from the ancient Yin phonological rhymes,which are not assimilated by the consonant.By analyzing and discussing the occurring and forming process of how the ancient Yin phonological rhymes nasalized,this paper concludes that these phenomena are the result of ＂pronunciation mechanism diffusion＂,and that the distribution situation of the nasalized finals in MDEG speaking area today comes into being because of the vocabulary diffusion.This study not only reveals the phonetic phenomena and occurring and formation principles in MDEG but also complements and develops the ＂diffusion＂ theory.