The term 'ATE AWAY (AT)' can be solved by two six-letter words, 'ERODED' and 'NAGGED'. 'Eroded' means to wear away gradually, usually by the action of water, wind, or other natural forces. This term is often used to describe the gradual destruction of landforms, such as mountains and valleys. 'NAGGED' means to persistently criticize or complain about something. It is often used to describe someone who constantly complains or criticizes another person.