Artificial intelligent assistant

trepidant

ˈtrepidant, a. rare.
  [ad. L. trepidānt-em, pr. pple. of trepidāre to trepidate.]
  Trepidating, trembling with fear or agitation.

1891 [see abasia]. 1892 Black & White 2 July 2/2 In either party are many trepidant hopes and fears. 1907 F. Thompson Sel. Poems 50 Its keys are at the cincture hung of God, Its gates are trepidant to His nod.

  Hence ˈtrepidancy, the quality of trepidating.

1845 Poe Tales, Fall of Ho. Usher, Futile struggles to overcome an habitual trepidancy.

Oxford English Dictionary

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