Dune
Etymology
From French "dune," borrowed from Dutch "duin," ultimately related to English "down" (as in the grassy Downs) and to a Celtic root meaning "hill."
noun · /DOON/
A hill or ridge of sand heaped and shaped by the wind.
What it names
A landform that is really frozen motion — sand sculpted, and slowly moved, by the wind.
Example
The dunes shifted a few feet inland every year.
Related idea
A dune is built and moved by wind; scree is rock rubble moved by gravity down a slope.