一切經音義 12.183

12.183

瑕垢（上音遐廣雅云瑕穢也鄭玄日玉之病也下古后反垢穢也）。

瑕垢 (flaws and defilement): The upper [character] is pronounced *xiá* (音遐). The *Guangya* says: "A flaw is an impurity." Zheng Xuan says: "A defect in jade." The lower [character] is *gòu* (古后反 [kəǔ]), meaning defilement and dirt.