quadrumvir
/kwɒˈdrʌmvə/ /ˈkwɒdrəmvə/Now historical
noun
A member of a quadrumvirate; one of a group of four leaders or commanders. In later use: a commander in Mussolini's Fascist government in Italy.
Origin
Late 18th century; earliest use found in By-stander. From quadri- + -umvir, after quadrumvirate. In later use after Italian quadrumviro.