一いち日じつ三さん秋しゅう

noun

impatiently waiting; each moment feeling like an eternity

A yojijukugo expressing the feeling that waiting makes time pass unbearably slowly, as if one day feels like three autumns. Used in literary or formal contexts.

• 彼かの女じょからの返へん事じを待まつ間あいだは、まさに一いち日じつ三さん秋しゅうの思おもいだった。

  While waiting for her reply, it truly felt like each moment was an eternity.