This is the 670th most frequent Polish word.
czasem
"Sometimes."
Here, 'czasem' is used to mean 'sometimes', expressing an action that occurs occasionally.
Czasem chodzę na spacery w lesie.
Sometimes, I go for walks in the forest.
'Czasem' here implies 'at times', suggesting a gentle reminder to occasionally ask about someone’s interest.
Zapytaj go czasem, czy ma ochotę dołączyć.
At times, ask him if he wants to join.
In this context, 'czasem' is part of the phrase indicating 'the time', referring to a specific moment.