trace
Definitions
A mark, object, or other indication of the existence or passing of something.
To follow the course or development of something.
To copy a drawing or map by drawing over its lines on a superimposed sheet of transparent paper.
Examples
The police found a trace of evidence left at the crime scene.
She tried to trace the outline of the leaf onto a piece of paper.
There was not a single trace of regret in his voice when he spoke.