The term CHIP AWAY AT can be summarized by two crossword solutions: ERODE (5 letters) and EATINTO (7 letters). Both terms refer to the gradual wearing away of something, usually caused by natural elements such as wind or water. ERODE is derived from the Latin word erodere, meaning 'to gnaw at, ' while EATINTO is a combination of the words 'EAT' and 'INTO.' Both terms are used to describe the process of gradually wearing away at something, often over a long period of time.