This is the 9708th most frequent German word.
narnhofer
The term "narnhofer" does not appear to be a standard German word or commonly known term. It might be a proper noun, name, or a misspelling.
Here, 'Narnhofer' is used as a proper noun, presumably a last name of an individual.
Herr Narnhofer ist ein bekannter Autor.
Mr. Narnhofer is a famous author.
In this case, 'Narnhofer' functions as an adjective derived from a proper noun, used to name a street.
Die Narnhofer Straße ist immer stark befahren.
The Narnhofer Street is always very busy.
Here 'Narnhofer' acts as a descriptor of a specific type of cheese, likely named after a place, person, or brand associated with the name.