pellagra (n.)youdaoicibaDictYouDict
chronic disease caused by dietary deficiency and characterized by skin eruptions, 1811, a hybrid formed from Latin pellis "skin" (see film (n.)) + Greek agra "a catching, seizure," related to agrein "to take, seize." But OED suggests it might be originally Italian pelle agra "rough skin." Related: Pellagrous.
bilharziayoudaoicibaDictYouDict
"A chronic disease, endemic in parts of Africa and South America, caused by infestation with blood flukes (schistosomes)", Mid 19th century: modern Latin, former name of the genus Schistosoma, named after T. Bilharz (1825–62), the German physician who discovered the parasite.
ozaenayoudaoicibaDictYouDict
" Medicine . Originally: an ulcer of the nose (or, rarely, other part of the body), especially when accompanied by a fetid discharge; any of various conditions characterized by the presence of such a lesion. Later: specifically a chronic disease of the nose characterized by atrophy of the nasal mucosa and bone, with a thick secretion that forms dry, extremely fetid crusts, often associated with the presence of bacteria of the genus Klebsiella", Late Middle English; earliest use found in Guy de Chauliac's Grande Chirurgie. From classical Latin ozaena (also ozēna) a fetid polypus in the nose, a strong-smelling marine polyp (Pliny) from Hellenistic Greek ὄζαινα from ancient Greek ὄζειν to smell + -αινα, suffix forming nouns.