IPA: /ˈkwɒdrəmˌvaɪrət/
KK: /ˈkwɒdrəmˌvaɪrɪt/
A group of four individuals who hold power or authority together, often in a political context.
The quadrumvirate made important decisions for the country during the crisis.
Quadrumvirate → It is formed from "quadra-" (from Latin "quattuor", meaning four) and "vir" (from Latin, meaning man) and "-ate" (a suffix used to form nouns). The term refers to a group of four men who hold power or authority together.
Think of 'four' ('quadra-') men ('vir') working together in leadership — that's what a quadrumvirate means.
No commonly confused words.