This is the 503rd most frequent Hungarian word.
brüsszeli
The Hungarian word "brüsszeli" means "Brussels-related" or "of Brussels."
Here, 'brüsszeli' is used as an adjective to describe something related to Brussels, in this case, the parliament job title or affiliation.
A brüsszeli parlament épülete gyönyörű.
The Brussels parliament building is beautiful.
In this sentence, 'brüsszeli' modifies the noun 'út' (trip) to specify the geographical relation to Brussels.
A brüsszeli út egy emlékezetes kirándulás volt.
The Brussels trip was a memorable excursion.
'brüsszeli' functions as an adjective referencing a specific characteristic origin, in this case, specialty chocolates known to be from Brussels.