楚尾吴头
chǔ​wěi​wú​tóu

border of Chu and Wu

  1. 楚 chǔ
    Chu State
    the Chu Kingdom, a powerful state during the Spring and Autumn and Warring States periods (c. 1030–223 BC)
  2. 尾 wěi nounadverb
    end; remainder
    (bound form) end; extremity; conclusion; remaining part
  3. 吴 吳 wú
    Wu State
    various historical states, including a Zhou dynasty state and the Eastern Wu (222–280) during the Three Kingdoms period
  4. 头 頭 tóu nounlocative
    top
    the top, end, or tip of an object; the beginning or end of an event