This is the 6813th most frequent Polish word.
festivalu
The Polish word "festivalu" means "of the festival" (genitive singular form).
The word 'festival' is used in its base form to refer to the event itself.
Wybraliśmy się na festiwal muzyczny, aby zobaczyć nasz ulubiony zespół.
We went to the music festival to see our favorite band.
Here 'festivalu' is in the genitive case, indicating possession or association with the noun 'during'.
Podczas festiwalu ulicznego można było skosztować lokalnych przysmaków.
During the street festival, one could taste local delicacies.
In this example, 'festivalu' is used again in the genitive case, modifying another noun to denote ownership or characteristic.