This is the 3041st most frequent German word.
bernadette
"Bernadette" is not a German word; it is a French-origin personal name.
The word 'Bernadette' is used as a proper noun, referring to a person's name in this context.
Bernadette ist eine talentierte Musikerin.
Bernadette is a talented musician.
Here 'Bernadettesche' derives from the name 'Bernadette' to form an adjective describing a characteristic associated with the house.
Das Bernadettesche Haus ist eine Sehenswürdigkeit in der Stadt.
The Bernadette's house is a landmark in the city.
In this sentence, 'bernadettesche' is used as a descriptive term, metaphoric, implying a manner or style characteristic of Bernadette.