朽ち葉

くちば

decayed leaves

青朽葉

あおくちば

bluish russet

黄葉

こうよう

leaves turning yellow (in autumn); yellow leaves; golden leaves; autumn colours; fall colors

朽ち葉色

くちばいろ くちはいろ

russet, tawny, yellow-brown

朽廃

きゅうはい

decay, dilapidation (ruin)

朽壊

きゅうかい

rotting and crumbling

腐朽

ふきゅう

deterioration, rot

不朽

ふきゅう

everlasting, immortal, eternal, immortality, imperishable

若朽

being young yet unambitious; being young but lacking spirit

老朽

ろうきゅう

superannuated, decrepitude

朽ち木

くちき

decayed tree, rotted tree, decayed wood, rotten wood

朽ちる

くちる

to rot, to decay

老朽化

ろうきゅうか

aging, wearing out, deterioration

黄

き

yellow

黄花黄耆

きばなおうぎ

membranous milk-vetch (Astragalus membranaceus)

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

永垂不朽

えいすいふきゅう

one's fame or achievements being passed down eternally

葉

は よう

counter for leaves, pieces of paper, etc.