The story
First use appears c. 1933 as hyper-foreign, and c. 1983 as hyperforeign. From hyper- + foreign. Compare hypercorrect and hypercorrection.
Etymology from Wiktionary, CC BY-SA 4.0.
hyperforeign
Today it means: Resulting from the misapplication of foreign reading rules, such as dropping the ‘t’ in claret. Full definition →