countercoup

[ koun-ter-koo ]
/ ˈkaʊn tərˌku /

noun, plural coun·ter·coups [koun-ter-kooz] /ˈkaʊn tərˌkuz/.

a coup aimed at the replacement of a government that itself achieved power through an earlier coup.

Origin of countercoup

First recorded in 1960–65; counter- + coup1