aphthous fever
American
[af-thuhs, ap-thuhs]
/ ˈæf θəs, ˈæp θəs /
noun
Etymology
Origin of aphthous fever
1755–60; < New Latin (febris) aphthosa , feminine singular adjective derived from Latin aphthae (written in Greek letters), from Greek áphthai , plural of áphtha “ulceration in the mouth, thrush” + -ous
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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.