Trepidation
Trepidation , noun
[French trépidation, Latin trepidatio, from trepidare to hurry with alarm, to tremble, from trepidus agitated, disturbed, alarmed; compare trepit he turns, Greek {not transcribed} to turn, English torture.]
1.
An involuntary trembling, sometimes an effect of paralysis, but usually caused by terror or fear; quaking; quivering.
2.
Hence, a state of terror or alarm; fear; confusion; fright; as, the men were in great trepidation.
3.
(Anc. Astronomy) A libration of the starry sphere in the Ptolemaic system; a motion ascribed to the firmament, to account for certain small changes in the position of the ecliptic and of the stars.