Question

what is the meaning of the tremor

Answer 1

tremors means brutal/powerful shocks,
like in a high magnitude earthquake.

Answer 2

Tremor is an unintentional, rhythmic muscle movement involving to-and-fro movements (oscillations) of one or more parts of the body. It is the most common of all involuntary movements and can affect the hands, arms, head, face, voice, trunk, and legs. Mosttremors occur in the hands.