Middle Chinese or the Qieyun system is the historical variety of Chinese recorded in the Qieyun, a rhyme dictionary first published in 601 and followed by several revised and expanded editions. The Sw
Part of the Tangyun, an 8th-century edition of the Qieyun dictionary
The first table of the Yunjing, covering the Guangyun rhyme classes 東 dōng, 董 dǒng, 送 sòng and 屋 wū (/-k/ in Middle Chinese)