Artificial intelligent assistant

triplicand

tripliˈcand Sc. Law.
  [ad. L. triplicānd-, gerund. stem of triplicāre to triplicate.]
  The tripling of the feu-duty for one year; a triple feu-duty so paid. Cf. duplicand.

1898 Mem. Jas. E. Fyfe 39 The superior rubbed his hands over an annual duty of {pstlg}30 an acre, with a triplicand every twenty-first year.

Oxford English Dictionary

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