Artificial intelligent assistant

marcescible

marˈcescible, a. Obs.—0
  In early Dicts. spelt marcessible.
  [a. F. marcescible (in 16th c. written marcessible), f. marcēscĕre: see marcescent and -ble.]
  Liable to wither or fade. Hence marˈcescibleness, marcesciˈbility.

1656 Blount Glossogr., Marcessible, apt or easie to rot or putrifie. 1727 Bailey vol. II, Marcessibility, a pining away, a Consumption. 1731 Ibid., Marcessibleness, withering or fading nature.

Oxford English Dictionary

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