A German word that conveys the meaning of "something I used to understand but have now forgotten. It combines "Verstehen" (to understand) and "Vergessenheit" (forgetfulness).
Ich habe das verstehvergessen. (I understandforgot this.)
Die Verstehvergessenheit ist übel. (The understandforgottenship is nasty.)
Die Verstehvergessenheit ist übel. (The understandforgottenship is nasty.)
by Klaus Büler May 11, 2023