Artificial intelligent assistant

cyath

ˈcyath Obs.
  Also 6 cyathe, ciath(e, cyat, ciat.
  [a. F. cyathe (in 15th c. ciate), ad. L. cyathus: see cyathus.]
  = cyathus 1.

1544 T. Phaer Regim. Lyfe (1553) I iv b, The dose of it is one ciath or a little cup ful. 1601 Holland Pliny xxi. xxx, It must anon be swallowed down in a cyath of water. 1631 Massinger Emp. of East iv. iv, With a little cyath or quantity of my potable elixir.

Oxford English Dictionary

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