decemviral
/ˌdɛsɛmˈvaɪərəl/Definitions
1. adjective
relating to or characteristic of a decemvir, especially a member of an ancient Roman college of 10 men who held supreme power
“The decemviral system of government had a lasting impact on Roman history.”
2. noun
a member of an ancient Roman college of 10 men who held supreme power
“The decemviral leaders implemented a series of reforms to address the city’s growing issues.”