This is the 16612th most frequent Polish word.
wpuszczanie
The act of letting in or allowing entry.
Here, 'wpuszczanie' conveys the act of allowing someone to enter a place.
Wpuszczanie gości do domu zazwyczaj było moim zadaniem.
Letting guests into the house was usually my task.
In this example, 'wpuszczanie' is used to describe letting air in.
Wpuszczanie świeżego powietrza do pokoju to zdrowy nawyk.
Allowing fresh air into the room is a healthy habit.
Here, 'wpuszczanie' refers to the act of allowing or introducing something into a document or context.