Artificial intelligent assistant

pyramical

pyˈramical, a. Obs.
  [irreg. f. L. pȳramis, a. Gr. πῡραµίς pyramid + -ical. The etymological form is pyramidical.]
  = pyramidal a.

1633 P. Fletcher Purple Isl. iv. xvii, That Great All, This His work's glory, made pyramicall. 1656 W. Coles Art of Simpling 167 Of a pyramical Figure, and not unlike to a Pine Apple.

Oxford English Dictionary

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