coup d'état noun
or coup d'etat /ˌkuːˌdeɪˈtɑː/ plural coups d'état or coup d'etat /ˌkuːˌdeɪˈtɑː/ or coup d'etat /ˌkuːˌdeɪˈtɑː/ plural coups d'état or coup d'etat /ˌkuːˌdeɪˈtɑː/ Learner's definition of COUP D'ÉTAT
[count]
: a sudden attempt by a small group of people to take over the government usually through violence政变