This is the 907th most frequent Polish word.
generalnej
"Generalnej" in English means "general" (feminine singular genitive or dative form in Polish).
In this case, 'generalnej' modifies 'próby,' describing the rehearsal as the major or all-encompassing one before the actual event.
Przygotowujemy się do generalnej próby przed przedstawieniem.
We are preparing for the general rehearsal before the performance.
Here, 'generalnej' characterizes 'awarii,' emphasizing the overall and far-reaching nature of the failure.
Po generalnej awarii systemu, musieliśmy wszystko od nowa skonfigurować.
After the general system failure, we had to configure everything anew.
The word 'generalnej' is used here as an adjective modifying the noun 'renowacji,' and it describes the type of renovation being discussed, implying it is comprehensive or extensive.