간이 · 간을
liver
Example
술을 많이 마시면 간이 나빠져요.
If you drink a lot of alcohol, your liver gets damaged.
Word parts
Homonym warning: 간 also means 'seasoning, saltiness,' as in 간을 보다 'to taste for seasoning.'
Good to know
간이 크다, literally 'to have a big liver,' means to be bold or daring.