Akademik

tremble
v. & n.
—v.intr.
1 shake involuntarily from fear, excitement, weakness, etc.
2 be in a state of extreme apprehension (trembled at the very thought of it).
3 move in a quivering manner (leaves trembled in the breeze).
—n.
1 a trembling state or movement; a quiver (couldn't speak without a tremble).
2 (in pl.) a disease (esp. of cattle) marked by trembling.
Phrases and idioms:
all of a tremble colloq.
1 trembling all over.
2 extremely agitated. trembling poplar an aspen.
Derivatives:
tremblingly adv.
Etymology: ME f. OF trembler f. med.L tremulare f. L tremulus TREMULOUS

Useful english dictionary. 2012.