1. phrasal verb
If something eats into
your time or your resources
, it uses them, when they should be used for other things.
Responsibilities at home and work eat into his time.
Wages were rising faster than productivity and this was eating into profits.
2. phrasal verb
Ulcers occur when the stomach's natural acids eat into the lining of the stomach.
COBUILD Advanced English Dictionary. Copyright © HarperCollins Publishers