trepidation
Concise Oxford English Dictionary © 2008 Oxford University Press:
trepidation/trepɪˈdeɪʃn/
▶noun
- 1 a feeling of fear or agitation about something that may happen.
- 2 archaic trembling motion.
– origin C15: from L. trepidatio(n-), from trepidare ‘be agitated, tremble’.
'trepidation' also found in these Oxford entries:

