hanc, ut prona iugo laevum incumbebat ad amnem, dexter in adversum nitens concussit et imis avulsam solvit radicibus, inde repente impulit; impulsu quo maximus intonat aether, dissultant ripae refluitque exterritus amnis.
This, as it leaned sloping with its ridge to the river on the left, he shook, straining against it from the right and, wrenching it from its lowest roots, tore it loose; then suddenly he thrust it forth; with that thrust the mighty heaven thunders, the banks leap apart, and the terrified river recoils.