the.com/coup
A government uprooted overnight by people who already had the keys.
means A sudden, often violent seizure of power from a sitting government, usually by insiders like the military.
from Clipped from the French coup d'etat, literally a stroke of state — a single decisive blow that topples a regime, no slow campaign required.
Silent letterThe p stays mute, like the loser.
Wider useAny brilliant strike: a chess coup, a business coup.
Coup de graceThe finishing blow, a mercy kill.