apoplexy (n.) Look up apoplexy at Dictionary.com
"sudden fit of paralysis and dizziness," late 14c., from Old French apoplexie or directly from Late Latin apoplexia, from Greek apoplexia, from apoplektos "disabled by a stroke, struck dumb," verbal adjective from apoplessein "to strike down and incapacitate," from apo "off" (see apo-), in this case probably an intensive prefix, + plessein "to hit," from PIE root *plāk- (2) "to strike" (see plague (n.), which also has a root sense of "stricken"). The Latin translation, sideratio, means "disease caused by a constellation."