411 REFERENCE · Wiktionary
Archillesferse
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
German
Etymology
In spite of the preceding back vowel, the ‹ch› is often pronounced /ç/ rather than /x/ by assimilation to the following stressed front vowel. Non-rhotic speakers may then reinterpret this as an underlying ‹r› in the word. Compare de Arche, de Archiv.
Noun
de noun
de Achillesferse
Usage notes
The form is widely attestable in edited publications, books, and the even the most prestigious newspapers.