Wiktionary
vb. (en-third-person singulareat away)
Usage examples of "eats away".
The lye eats away the yellow covering, leaving only the white insides.
She could feel the power flowing about hercold, deep, impersonallike a mighty river that wears the rocks in its bed to pebbles and eats away its banks.
Even if I tell you that it's all for Senta, I know from experience that a mystery like this eats away at me, somewhere deep inside my head, until I find answers.
Do so many trust you because of your beauty and your clever words while darkness eats away at your heart?
Up there, you have to haul along every drop of fuel you need to land, and the dust eats away at any equipment you have, and the volatiles in your seals boil away in the vacuum, and you have to bake the air you breathe out of the rock.