This is the 5168th most frequent Polish word.
przygotowywać
"Przygotowywać" means "to prepare."
In this sentence, 'przygotowuje' is used in the context of performing the action of cooking and organizing food for the family as part of daily routine.
On codziennie przygotowuje obiad dla swojej rodziny.
He prepares dinner for his family every day.
Here, 'przygotowuję się' is reflexive and refers to the speaker undertaking preparations for an academic test, potentially by studying or reviewing.
Przygotowuję się do egzaminu z matematyki.
I am preparing for the mathematics exam.
This example highlights 'przygotował' to indicate completion of the task of creating and organizing the presentation material for a formal event.