Artificial intelligent assistant

pistick

ˈpistick, n. (a.) Obs.
  [A deriv. of pistachio (in some of its forms; cf. also pistack), perh. assimilated to fistic, a form of the same word through Arabic. (Possibly confused with prec.)]
  = pistachio: chiefly in comb.

1621 Burton Anat. Mel. ii. ii. i. i, Trallianus discommends figs,..which others especially like of, and so of pistick nuts. 1655 Moufet & Bennet Health's Impr. (1746) 300 Fisticks, or rather Pisticks,..are Nuts growing in the Knob of the Syrian or Egyptian Turpentine-tree.

Oxford English Dictionary

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