[ ˌɛnən'θi:mə ]
■ noun Medicine an ulcer or eruption occurring on a mucus-secreting surface such as the inside of the mouth.
Origin
C19: from en- 2 + a shortened form of exanthema .
ENANTHEMA
Meaning of ENANTHEMA in English
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004