切韵考 qièyùnkǎo Qieyun Kao Origin Definitions Defs Strokes Stroke Words Sentences Sents 切韵 切韻 qièyùn Qieyun A classic rhyme dictionary compiled by Lu Fayan in 601 AD which serves as a primary source for studying Middle Chinese phonology考 kǎo verb to investigate to study; to research; to investigate or verify through evidence