Artificial intelligent assistant

smaragdian

smaˈragdian, a. rare.
  [f. smaragd + -ian.]
  (See quot. and smaragdine a. 2.)

1673 Two Strange & Wonderful Prophets, etc. Title-p., A New Prophecy lately discovered, written on a Smaragdian Table, by a Learned Rosy Crusian.

Oxford English Dictionary

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