千ち早はやぶ

nidan verb (upper class) with 'bu' ending (archaic)

act violently; act roughly; act rashly

Archaic Nidan verb (upper class) with 'bu' ending. Found in classical Japanese; not used in modern speech. The meaning is to behave in a wild, violent, or reckless manner.

• 古こ語ごの「千ち早はやぶ」は、荒あら々あらしく振ふる舞まう意いで、現げん代だいでは使つかわれない。

  The archaic word 千早ぶ means to act violently and is not used in modern Japanese.