succussatory
adjective
suc·cus·sa·to·ry
səˈkəsəˌtōrē
: characterized by up-and-down vibrations of short amplitude —used of an earthquake compare sussultatory
Word History
Etymology
obsolete English succussation shaking, succussion (from Medieval Latin succussation-, succussatio, from Latin succussatus —past participle of succussare, frequentative of succutire to throw up from below—+ -ion-, -io -ion) + English -ory