1530s, earlier resuscit (late 14c.), from Late Latin resuscitationem, from Latin resuscitatus, past participle of resuscitare "rouse again, revive," from re- "again" (see re-) + suscitare "to raise, revive," from sub "(up from) under" + citare "to summon" (see cite). Related: Resuscitated; resuscitating.