Artificial intelligent assistant

mystes

mystes
  (ˈmɪstiːz)
  [L., a. Gr. µύστης, agent-n. f. *mū̆s-, root of µύειν to close (the lips or eyes): the primary sense is prob. ‘one vowed to keep silence’. Cf. Gr. µυεῖν (µυέειν) to initiate into mysteries.]
  One initiated into mysteries.

1676 Glanvill Ess. Philos. & Relig. iv. 41 Abraham (as Grotius collects from Ancient History) a great Mystes in the Knowledge of the Stars. 1677 B. Riveley Serm. Funeral Bp. Norwich 26 There are few kinds of Literature but he was a Mystes in them. 1778 Apthorp Lett. on Prev. Christ. (1778) 360 After having undergone the formalities, the aspirant became a mystes. 1904 Expositor Apr. 256 The instructions were given to the mystes [etc.].

Oxford English Dictionary

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