godan verb (-ru), intransitive verb
crumble away; collapse
Describes something physically or metaphorically breaking apart and disappearing, often with a sense of finality or loss. Used for structures, landscapes, hopes, or systems.
地震で古い建物が崩れ去った。
The old building crumbled away in the earthquake.
彼の夢は一瞬で
His dreams collapsed in an instant.