Eat-into meaning

On the other hand, if the concrete is rough and porous the sea-water will gradually eat into the heart of the structure, especially in a case like a dam, where the water, being higher on one side than the other, constantly forces its way through the rough material, and decomposes the Portland cement it contains.

When it is present in your bloodstream, it escorts the food you eat into your fat cells for later use.

When it is present in your bloodstream, it works to escort fuel you eat into permanent storage (body fat) and keep it there.

The funds that get paid to the financial adviser eat into the money that would otherwise be paid to the investor.

While carrying some debt may be necessary to fund aspects of your business, carrying extensive amounts of it can eventually eat into your profits.