Artificial intelligent assistant

nongenary

nongenary
  (nɒnˈdʒiːnərɪ)
  [f. L. nongēnārius containing nine hundred, after centenary n. 3.]
  A nine hundredth anniversary, or the celebrations connected with it.

1926 Fowler Mod. Eng. Usage 72/2 A list of not intolerable forms is here offered... Centē{p}nary,..octingē{p}nary, nongē{p}nary, millē{p}nary. 1965 E. Gowers Fowler's Mod. Eng. Usage (ed. 2) 83/1 Nor is anyone, however passionate a supporter of etymological correctness, likely to try to introduce sescenary, septingenary, octingenary, or nongenary. 1966 New Statesman 8 Apr. 511/2 The painters are in no way concerned with the nongenary of the Battle of Hastings.

Oxford English Dictionary

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