rheum

Amir began wheezing at night — once so badly that an ambulance was called — and woke up most mornings to find his eyes swollen shut with rheum.

Surprised and relieved that he could see me through all that rheum, I said, “How come?”

Unwillingly do the manes of the deceased taste the tears and rheum shed by their kinsmen: then do not wait, but diligently perform the obsequies of the dead.

Dim or sore with water or rheum; Ð said of the eyes.

The Cornus alternifolia, or "swamp walnut," has a reputation among the people in certain localities as being a "sure" remedy for "salt rheum."