七十二候

Qīshí'èrhòu

the 72 pentads (ancient Chinese calendar)

Wiktionary

Entry Composition

1 七十二 qīshí'èr seventy-two; 72
2 候 hòu
  1. to wait
  2. to inquire after
  3. to watch
  4. season
  5. climate
  6. (old) period of five days