This is the 6440th most frequent Spanish word.
briancesco
"Briancesco" refers to something or someone from or related to the comarca of El Vallès Occidental (historically part of El Vallès) in Catalonia, Spain.
Here, 'briancesco' is used as a noun to designate a person originating from the Brière region.
El briancesco tiene un sonido peculiar al hablar.
The person from Brière has a peculiar accent when speaking.
In this sentence, 'briancesco' functions as an adjective to describe something characteristic of the Brière region, in this case, the style.
En el pueblo, se celebra el estilo briancesco cada verano.
In the village, the Brière style is celebrated every summer.
Here, 'briancesca' as an adjective describes a specific type of architecture associated with the Brière region.