saepimentum
From LSJ
saepimentum saepimenti N N :: fence, enclosure
saepīmentum: (sēp-), i, n. id.,
I a hedge, fence, enclosure, Varr. R. R. 1, 14, 1 sq.; Cic. Leg. 1, 23, 62.
saepīmentum, ī, n. (saepio), die Umzäunung, Einfriedigung, Varro u. Cic.