triumvirate
noun /traɪˈʌmvərət/
/traɪˈʌmvərət/
(formal)- a group of three powerful people or groups who control something together
- They appointed a triumvirate of directors.
Word Originlate 16th cent.: from Latin triumviratus, from triumvir, originally as triumviri (plural), back-formation from trium virorum ‘of three men’, genitive of tres viri.