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Kotomora

朽

decay, rot, remain in seclusion

JLPTN1StatusJōyō · secondary schoolFrequencyTop 2,000Strokes6

Readings

On'yomi

  • キュウ

Kun'yomi

  • く.ちる

Nanori

  • くつ

Meaning

朽 centers on organic breakdown and decline: wood rotting, things decaying, or a person withdrawing from the world into seclusion as a kind of social decay.

Most common words using 朽

20 of 21
  • 老朽ろうきゅう

    infirmity (due to old age); decrepitude; senility; senescence; superannuation

  • 朽ちるくちる
    N1

    to rot; to decay

  • 不朽ふきゅう

    everlasting; immortal; eternal; enduring; undying; imperishable

  • 朽ち木くちき

    decayed tree; rotted tree; decayed wood; rotten wood

  • 腐朽ふきゅう

    decay; deterioration; rot

  • 朽ち果てるくちはてる

    to rot away; to crumble to dust; to decay completely; to fall to ruins; to rust away

  • 老朽化ろうきゅうか
    N1

    deterioration; becoming decrepit; becoming worn out

  • 不朽の名作ふきゅうのめいさく

    timeless masterpiece; immortal work

  • 不朽不滅ふきゅうふめつ

    everlasting; eternal; immortal; imperishable; undying

  • 乾燥腐朽かんそうふきゅう

    dry rot

  • 木材腐朽菌もくざいふきゅうきん

    wood-decay fungus; xylophagous fungus

  • 朽ち葉くちば

    decayed leaves

  • 朽ち葉色くちばいろ

    russet; tawny; yellow-brown

  • 朽壊きゅうかい

    rotting and crumbling

  • 朽廃きゅうはい

    decay; dilapidation

  • 永垂不朽えいすいふきゅう

    one's fame or achievements being passed down eternally

  • 腐朽菌ふきゅうきん

    wood-decay fungus; xylophagous fungus

  • 若朽じゃっきゅう

    being young yet unambitious; being young but lacking spirit

  • 蛇に噛まれて朽ち縄に怖じるへびにかまれてくちなわにおじる

    once bitten twice shy; to become over cautious from a bad experience; to be bitten by a snake and thus fear a rotten rope (which resembles a snake)

  • 青朽葉あおくちば

    bluish russet

Explore all words using 朽 →

Study

Etymology

朽 combines 木 (tree/wood) with 丂, which likely contributes the sound and suggests decay or rot. The exact historical role of 丂 is uncertain.

Meaning mnemonic

A tree 木 beside a decaying shape 丂: picture a rotting log crumbling away, its wood breaking down into decay.

Reading mnemonic

For キュウ, imagine a decaying wooden cue stick in a pool hall: cue -> キュウ, and the old cue is rotting away.