cuartelazo
noun
cuar·te·la·zo
ˌkwärtᵊlˈä(ˌ)sō
plural -s
: a military coup usually originating in a single barracks : seizure of power by an army —used chiefly of Latin-American army revolts
Word History
Etymology
American Spanish, from Spanish cuartel + -azo (suffix denoting a blow)