This is the 9614th most frequent Polish word.
wyrusz
The Polish word "wyrusz" means "set off" or "depart."
Here, 'wyrusz' is used as an imperative verb form, encouraging someone to start or set out on a journey.
Wyrusz w podróż pełną przygód!
Embark on a journey full of adventures!
In this sentence, 'wyruszasz' is used in the second person singular present tense, asking about the time someone will start a journey.
Kiedy wyruszasz na wycieczkę?
When are you starting your trip?
Here, 'wyruszyliśmy' refers to the past tense first person plural, indicating that a journey began previously.