Origin: 1605–15; < Late Latinapoplēcticus < Greekapoplēktikós pertaining to a (paralytic) stroke, equivalent to apóplēkt(os) struck down (verbid of apoplḗssein) + -ikos-ic
1610s, "involving apoplexy," from Fr. apoplectique (16c.), from L. apoplecticus, from Gk. apoplektikos "disabled by a stroke, crippled," from apoplektos, verbal adj. of apoplessein (see apoplexy). Meaning "showing symptoms of apoplexy" (1721) gradually shaded into "enraged, very angry."