ˌfenəˈkistəˌskōp noun
Etymology: modification of French phénakistiscope, from Greek phenakistēs deceiver (from phenakizein to deceive, from phenak-, phenax deceiver + -izein -ize) + French -scope
: an optical toy resembling the zoetrope in principle and use and in one form consisting of a disk with the figures arranged about the center and having near the edge radial slits through which the figures are viewed by means of a mirror