Artificial intelligent assistant

cœlar

cœlar, a. rare.
  (ˈsiːlə(r))
  (Properly cælar.)
  [f. L. cælum, formerly spelt cœl-um, sky + -ar: cf. solar.]
  Belonging to the sky.

1855 Bailey Mystic 23 The fused orb..rolls As theretofore upon its cœlar path.

Oxford English Dictionary

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