rheum in Bulgarian

(uncountable) Thin or watery discharge of mucus or serum, especially from the eyes or nose, formerly thought to cause disease. [from 14th c.]

(uncountable) Thin or watery discharge of mucus or serum, especially from the eyes or nose, formerly thought to cause disease. [from 14th c.]

Illness or disease thought to be caused by such secretions; a catarrh, a cold; rheumatism. [from 14th c.]