The term 'eats away' can be summarized by the crossword solution 'ERODES, ' which is a six-letter word. Erosion is a natural process in which the surface of the Earth is worn away by wind, water, or other natural elements. This process can occur over a long period of time, and it can have a significant impact on the environment. Erosion can also refer to the gradual destruction of something, such as a building or a relationship.