The Heterogeneous Strata Reflected by the Polyphonic Characters with the Finals of Qin(侵)and Yan(盐)Rhymes in Middle Chinese
There is a group of polyphonic characters with the finals of Qin and Yan rhymes in Guangyun(广韵).It has been observed that the pronunciation with the final of Yan rhyme was of for-eign origin,overlapping with the reading of Qin rhyme.This phenomenon indicates the presence of heterogeneous strata in Middle Chinese.The formation of the strata is closely related to the inter-changeable characters between the Qin and Tan(谈)rhyme groups in the archaic Jingchu(荆楚),Qi-lu(齐鲁),and Bashu(巴蜀)dialects,and the phonetic basis lies in the fact that the Qin rhyme group was pronounced as a low vowel in these dialects.The analysis of the causes and strata of these poly-phonic characters with the finals of Qin and Yan rhymes offers new insights into the study of contact between ancient dialects.
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