zoisthttp://www.oed.com/dictionary/zoist_n%3Ftab%3Dmeaning_and_usezoist, n.
First published 1921; not fully revised

zoistnoun

  1. 1843–
    One who upholds the doctrine of zoism.
    1. 1843
      The Zoist: a Journal of Cerebral Physiology & Mesmerism, and their Applications to Human Welfare.
      (title)

Originally published as part of the entry for zoism, n.

zoism, n. was first published in 1921; not fully revised.