enanthemn.

a1883 C. H. Fagge Princ. & Pract. Med. (1886) I. 170 He seems to have thought that an important argument..could be based upon an analogy which he drew between the specific cutaneous eruption of a contagious fever and the lesions in this disease [sc. enteric fever] which affect Peyer's patches and the solitary follicles. To express this very relation, the word enanthem had been already coined by German writers as a correlative to the term exanthem.

1962 Lancet 12 May 997/1 This is an atypical history [of smallpox]—the rash developing on the first day of fever and illness. There was a well-marked enanthem, and between 5000 and 10,000 lesions on the skin.

1962 Lancet 12 May 999/1 The enanthem varied from one or two lesions on the palate to a severe eruption all over the palate and fauces.