中原音韻

中原音韵
Zhōngyuán Yīnyùn

Zhongyuan Yinyun, a rime dictionary dating to the Yuan Dynasty

Wiktionary

Entry Composition

1 中原 Zhōngyuán Central Plain, the middle and lower regions of the Yellow river, including Henan, western Shandong, southern Shanxi and Hebei
2 音韻 yīnyùn
  1. music
  2. rhyme and rhythm
  3. initial, 音 yīn, and final and tone, 韻 yùn, of a Chinese character
  4. phoneme