Wu Yu 吳域 (c. 1100-1154) was an early and important Chinese philologist and phonologist and author of the 韻補 Yunbu, in which he noted the historical change of pronunciation of Shijing rhymes.Behr, Wolfgang. 2005. "Language Change in premodern China: notes on its perception and impact on the idea of a 'constant way'." Historical truth Historical Criticism and Ideology: Chinese Historiography and Historical Culture from a New Comparative Perspective. Helwig Schmidt-Glintzerr, Achim Mittag, and Jörn Rüsen, eds. pp. 13-51, esp. 34.
References