prō-rumpō rūpī, ruptus, ere, to break forth, break out, rush forth, make an attack: in hostīs, V.: vis morbus in imum intestinum prorupit, N.: (Aetna) prorumpit ad aethera nubem, breaks out in, V.
—Pass: It mare proruptum, bursts forth, V.
—Fig., to break out, burst forth: illa pestis prorumpet: in scelera, Ta.: ad minas, Ta.