Artificial intelligent assistant

cyclode

cyclode Math.
  (ˈsaɪkləʊd, ˈsɪk-)
  [f. Gr. κύκλος circle + ὁδός path.]
  A name introduced by Prof. Sylvester, 1869, for the involute of any order to a circle. See involute.

1869 Sylvester in Proc. Lond. Math. Soc. II. 137–160 A Cyclode is the continued [n{supt}{suph}] involute of a circle.

Oxford English Dictionary

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