(こういん)

こういん
noun
time; the passing of time (literary)
1. time; the passage of time
A literary word for time, especially the swift passage of time. Most commonly encountered in the proverb 光陰矢の如し (time flies like an arrow).
光陰(こういん)()(ごと)し。
Time flies like an arrow.
Famous proverb equivalent to English "time flies."
光陰(こういん)(ひと)()たない。
Time waits for no one.
光陰(こういん)(なが)れは(はや)く、あっという()十年(じゅうねん)()ぎた。
The passage of time was swift, and ten years went by in the blink of an eye.

USAGE:
A literary and somewhat classical word. In everyday speech, 時間(じかん) or (とき) is used instead. 光陰(こういん) appears most often in proverbs, essays, and formal writing to evoke a poetic sense of time passing.

ETYMOLOGY:
From Chinese. (こう) (light) refers to sunlight (daytime) and (いん) (shadow/dark) refers to the moon (nighttime), together representing the cycle of days and the passage of time.

COMMON COLLOCATIONS:

  • 光陰(こういん)()(ごと)し (time flies like an arrow)
  • 光陰(こういん)()しむ (to treasure one's time)
  • 光陰(こういん)(なが)れ (the flow of time)