καθάλλομαι

A. leap down, ἀπὸ τοῦ ἵππου, ἀπ’ ὄχθων, Id. l.c., Eq. 3.7; ἐντὸς τοῦ τείχους Luc. DMort. 14.5: abs., App. Hisp. 22: metaph., of a storm, rush down, καθαλλομένη ἰοειδέα πόντον ὀρίνει Il. 11.298; of convulsions, Anon. ap. Gal. 7.624.