irruptus
From LSJ
irruptus: (inr-), a, um, adj. 2. in-rumpo,
I unbroken, unsevered: copula, Hor. C. 1, 13, 18.
irruptus: (inr-), a, um, Part., from irrumpo.
irruptus: ūs, m. id.,
I an irruption (late Lat.), Fab. Claud. Gord. Fulg. Aet. Mund. 11, p. 141.