Artificial intelligent assistant

sciatheric

sciaˈtheric, a. and n. Obs. rare.
  In 7 scioterique, 8 scio-, sciatherick.
  [ad. late Gr. σκιᾱθηρικός, f. σκιᾱθήρας (also σκιάθηρον, σκιόθηρος), sun-dial, lit. ‘shadow-catcher’, f. σκιά shadow + θηρᾶν to catch. Cf. L. sciothēricon (Pliny), a sun-dial.]
  a. adj. = sciatherical a. b. n. in pl. form sciatherics, the art of dialling.

1677 Cary Chronology i. i. §i. ii. 6 The marking out the Time of the day in such a way as in the Scioteriques, or Art of Dialling,..was rightly imputed to Anaximines. 1721 Bailey, Sciotherick, investigating Shadows. Sciotherick Telescope, a Mathematical Instrument for observing the True Time for adjusting Pendulum-Clocks, Watches, &c. 1755 Johnson, Sciatherick, belonging to a sun-dial.

Oxford English Dictionary

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