朝菌
ちょ
う
き
ん
Meanings
1
morning mushroom; ephemeral thing
archaic
Archaic term for a mushroom that appears in the morning and withers by night, used figuratively for something short-lived. Rare in modern Japanese; encountered mainly in classical literature.
朝菌 is used as a metaphor for something short-lived.
There is a poem that laments a life as fleeting as a morning mushroom.