This is the 759th most frequent Polish word.
mistrzów
"Masters" or "champions" (genitive plural form).
The word 'mistrzów' is used in the form of 'of the champions', signifying possession.
Liga Mistrzów to prestiżowe rozgrywki piłkarskie.
The Champions League is a prestigious football competition.
Here, 'mistrzów' translates to 'of masters', indicating a genitive case for describing an attribute.
Książka „Sztuka mistrzów” opowiada o różnych technikach artystycznych.
The book 'The Art of Masters' talks about various artistic techniques.
In this sentence, 'mistrzów' refers to 'of champions', illustrating association or belonging.