This is the 4945th most frequent Polish word.
począwszy
"Starting from" or "beginning with."
The word 'począwszy' is used here to indicate the starting point or the beginning of a timeframe or event sequence, emphasizing that the action described (everything going perfectly) commenced from that particular point.
Począwszy od pierwszego dnia, wszystko układało się doskonale.
Starting from the first day, everything went perfectly.
In this sentence, 'począwszy' helps to delineate a range starting with 'mathematics' and moving toward 'literature', introducing the starting point within the context of discussed topics.
Program obejmuje wiele tematów, począwszy od matematyki po literaturę.
The program covers many topics, starting from mathematics to literature.
Here, 'począwszy' signifies the initiation of the organization efforts, indicating transport as the beginning of the list of activities arranged.