suffossio
From LSJ
Latin > English (Lewis & Short)
suffossĭo: (subf-), ōnis, f. suffodio,
I a digging under, undermining, Vulg. Jer. 51, 58.—Transf., in plur., concr., mines, Vitr. 1, 5, 5 (dub.): cum ipsum solum subfossionibus tremeret, Sen. Ep. 49, 8.
Latin > French (Gaffiot 2016)
suffossĭō¹⁶ (subf-), ōnis, f. (suffodio), creusement, excavation : Sen. Ep. 49, 8.