This is the 14292nd most frequent Polish word.
prośbą
"Prośbą" means "a request" in English.
The word 'prośbą' is used in the instrumental case, denoting the manner by which the request is made.
Zwracam się z prośbą o dodatkowy czas na wykonanie zadania.
I am reaching out with a request for additional time to complete the task.
Here, 'prośbą' describes the object of the mother's action, emphasizing the invocation she directed towards the children.
Prośbą matki było, aby dzieci wróciły przed zmrokiem.
The mother's request was that the children return before nightfall.
In this sentence, 'prośbą' refers to the request or plea made by the teacher to the students.