decemvirate

Of the decemvirate Servius Oppius and Appius Claudius remained at home: the other eight set out against the enemy.

From Dio's Rome, Volume 1 (of 6) An Historical Narrative Originally Composed in Greek during the Reigns of Septimius Severus, Geta and Caracalla, Macrinus, Elagabalus and Alexander Severus: and Now Presented in English Form by Cassius Dio

The decemvirate instituted at Rome; the Twelve Tables of law framed.

From The Great Events by Famous Historians, Volume 02 (From the Rise of Greece to the Christian Era) by Charles F. (Charles Francis) Horne

The five that had already fallen when John received the vision were the regal power, the consular, the decemvirate, the military tribunes, and the triumvirate.

From The Last Reformation by F. G. (Frederick George) Smith

Another thing which greatly hurts a government is to keep alive bitter feelings in men's minds by often renewed attacks on individuals, as was done in Rome after the decemvirate was put an end to.

From Discourses on the First Decade of Titus Livius by Ninian Hill Thomson

So, for example, the Romans might have spoken of a decemvirate after the time of Appius.

From The Olynthiacs and the Phillippics of Demosthenes Literally translated with notes by Charles Rann Kennedy