Artificial intelligent assistant

Zarathustrian

Zarathustrian, a. and n.
  (zærəˈθʊstrɪən)
  [f. Zarathustra, the Old Iranian form of the name of the founder of the ancient Persian religion.]
  = Zoroastrian. So Zaraˈthustrianism, Zaraˈthustric a., Zaraˈthustrism.

1871 Tylor Prim. Cult. I. ii. 49 Brahmanism, Zarathustrism, and Buddhism. Ibid. II. xv. 219 The Wicked Serpent of the Zarathustrians. 1886 Encycl. Brit. XX. 361/1 The Vedic and Zarathustric religions. Ibid. 370/1 Mazdaism (Zarathustrianism), with its sects. 1891 Cheyne Orig. Psalter viii. 401 The Bundahis is thoroughly Zarathustrian in spirit when it states [etc.].

Oxford English Dictionary

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