decemvirate

On the whole we may put the great period of the college between the decemvirate and the war with Hannibal.

From The Religious Experience of the Roman People From the Earliest Times to the Age of Augustus by W. Warde Fowler

For his fraud in pretending to the commons to be well disposed towards them, was happily contrived; as were also the means he took to bring about the reappointment of the decemvirate.

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

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

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

At the end of the first year, the task of the board was quite far from being finished, so a new decemvirate was elected to complete the work.

From General History for Colleges and High Schools by Philip Van Ness Myers