This is the 7600th most frequent Russian word.
европейским
"European" (adjective).
Here, 'европейским' (European) is used as an adjective to describe the city Paris.
Являясь европейским городом, Париж привлекает множество туристов.
Being a European city, Paris attracts many tourists.
In this sentence, 'европейским' modifies 'меню' (menu), indicating its style or origin as European.
Этот ресторан славится своими европейским меню.
This restaurant is known for its European menu.
'европейских' relates to 'традиций' (traditions), specifying that the traditions are European by nature.