S / saeptĭo
noun

saeptĭo

gen. saeptōnis · gender feminine · decl. 3rd
a hedging; fencing in; enclosing
Prop., a hedging or fencing in, enclosing (post-Aug.), Vitr. 5, 12, 5; 6, 11 (8), 5.—
an enclosing with a wall by metonymy
Meton., an enclosing with a wall, etc.; with obj. gen.: urbis, the erection of a wall around it, Vop. Aur. 12.