Learn how to say Trepidation correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word trepidation:
1a feeling of fear or anxiety about something that may happen:
the men set off in fear and trepidation
2 archaic trembling movements or motion.
late 15th century: from Latin trepidatio(n-), from trepidare ‘be agitated, tremble’, from trepidus ‘alarmed’