The term 'EATEN AWAY' can be described by two crossword solutions: EROSE (5 letters) and ERODED (6 letters). EROSE is a verb meaning to become worn away gradually, usually by wind or water. ERODED is also a verb meaning to be worn away gradually, usually by wind or water. Both words are used to describe the process of erosion, which is the gradual wearing away of land or other surfaces due to natural forces such as wind, water, or ice.