얹히다

[언치다]

1. be laid on; be placed on
For something to be put on top of something else.

2. be added
For a bit more to be added to a certain amount or number.

3. be added
To be added to a basic thing.

4. feed on; live at the expense of
To rely on and get help from someone.

5. sit heavy on the stomach
For food to remain undigested in the stomach oppressively.