FachSecretAreayä
FachSecretAreayä is a term that appears to be a nonsensical combination of German and invented words. "Fach" in German means "subject," "field," or "compartment." "Secret" is an English word referring to something kept hidden or unknown. "Area" is also an English word meaning a region or part of a place. The "yä" at the end is not a recognized German suffix or word and appears to be a phonetic addition.
Given the composition of the term, it is unlikely to have any established meaning in any language