decemvirate

The decemvirate, one of the triumphs of the plebs, could hardly have been abolished by that body, but would naturally have been overthrown by the patricians.

From Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 4 "Cincinnatus" to "Cleruchy" by Various

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

But they soon threw off the mask of moderation, and, regardless of the approbation of the senate or the people, resolved to continue, against all order, in the decemvirate.

From Pinnock's improved edition of Dr. Goldsmith's History of Rome to which is prefixed an introduction to the study of Roman history, and a great variety of valuable information added throughout the work, on the manners, institutions, and antiquities of the Romans; with numerous biographical and historical notes; and questions for examination at the end of each section. By Wm. C. Taylor. by William Pinnock

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

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