朽 - decay, rot, remain in seclusion

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

everlasting; immortal; eternal; enduring; undying; imperishable

bluish russet

being young yet unambitious; being young but lacking spirit

reddish-yellow (colour); russet

decay; dilapidation

timeless masterpiece; immortal work

to rot; to decay

everlasting; eternal; immortal; imperishable; undying

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)

one's fame or achievements being passed down eternally

wood-decay fungus; xylophagous fungus