The Gradual Wearing Away of the Earth's Surface
This page is the CodyCross answer for the clue below from Mesopotamia, Group 973, Puzzle 5 (Imperial Aramaic).
Question is: The Gradual Wearing Away of the Earth's Surface
and the answer is: EROSION
Word Meaning:
EROSION — (chiefly uncountable) The result of having been worn away or eroded, as by a glacier on rock or the sea on a cliff face.
Definitions from Wiktionary.