Abrase
To wear something down by rubbing it against something else.
Examples
The waves slowly abrade the rocks on the shore.
Sandpaper is used to abrade wood before painting it.
Years of walking abraded the stone steps.
To wear something down by rubbing it against something else.
The waves slowly abrade the rocks on the shore.
Sandpaper is used to abrade wood before painting it.
Years of walking abraded the stone steps.