indigestion; poor digestion
Refers to the state of food not being properly digested, often used in medical or everyday contexts.
I ate too much and got indigestion.
If symptoms of indigestion persist, you should go to the hospital.
indigestible materials; undigested matter
Compound of 不 (fu, 'not') and 消化 (shōka, 'digestion'), literally 'non-digestion'.