sep·tem·vir | \sepˈtemvə(r)\
plural septemvirs\-və(r)z \ also septemviri\-vəˌrī, -vəˌrē \

Definition of septemvir 

: a member of a ruling body of seven men specifically : one of seven officiating priests in ancient Rome — compare epulo

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History and Etymology for septemvir

Latin, back-formation from septemviri, plural, from septem viri seven men, from septem seven + viri, plural of vir man

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