-megaly, comb. form Med.
Brit. /ˈmɛgəli/, /ˈmɛglˌi/, U.S. /ˈmɛgəli/
[‹ French -mégalie (in acromégalie acromegaly n.).
Attested in a small number of formations from the late 19th cent., earliest in acromegaly n., a loan from French. Combining with first elements of Greek origin.In a number of instances (as e.g. hepatomegaly n. at hepato- comb. form Affix, splanchnomegaly n. at splanchno- comb. form Affix) a parallel formation in -megalia is recorded slightly earlier (compare -ia suffix1).]
Affix. Forming nouns denoting abnormal enlargement of a part of the body specified by the first element.