First Known Use: 15th century
Dictionary
triumvir
noun tri·um·vir \trī-ˈəm-vər\
plural tri·um·virs also tri·um·vi·ri\-və-ˌrī, -ˌrē\
Definition of TRIUMVIR
: one of a commission or ruling body of three
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Origin of TRIUMVIR
Middle English, from Latin, back-formation from triumviri, plural, commission of three men, from trium virum of three men
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