朽
decay, rot, remain in seclusion
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
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.