This is the 1754th most frequent Portuguese word.
europeias
"Europeias" in English means "European" (feminine plural).
In this sentence, "europeias" functions as an adjective qualifying "tradições" (traditions), describing their origin or relation to Europe.
As tradições europeias são bastante diversificadas.
European traditions are quite diverse.
Here, "europeias" acts as an adjective describing "eleições" (elections), specifying that they pertain to Europe or its Union.
As eleições europeias ocorrerão no próximo mês.
The European elections will take place next month.
In this instance, "europeias" describes "línguas" (languages), indicating their geographic or cultural association with Europe.