千せん秋しゅう

noun

thousand years; many years; a very long time

Often used in poetic or formal contexts to express an extremely long period, or in set phrases like 千秋楽 (final day of a sumo tournament or theatrical run).

• 千せん秋しゅうの思おもいを込こめてこの歌うたを詠よんだ。

  I composed this poem with feelings spanning a thousand years.

• 千せん秋しゅう楽らくの舞ぶ台たいは感かん動どう的てきだった。

  The final performance of the run was deeply moving.