tremor
Concise Oxford English Dictionary © 2008 Oxford University Press:
tremor/ˈtremə(r)/
▶noun
- 1 an involuntary quivering movement.
■ (also earth tremor) a slight earthquake.
- 2 a sudden feeling of fear or excitement.
– origin C17: from L. tremor, from tremere ‘to tremble’.
'tremor' also found in these Oxford entries:

