This is the 9809th most frequent Polish word.
zverev
The word "zverev" is not Polish; it appears to be a surname of Russian origin. It does not have a standalone definition in Polish.
The word 'Zverev' is used here as a proper noun, specifically as the name of a famous tennis player.
Zverev wspiął się na szczyt rankingu tenisowego.
Zverev climbed to the top of the tennis ranking.
In this sentence, 'Zverev' once again identifies the tennis player, illustrating their qualities.
Podczas meczu, Zverev wykazał się wielką wytrzymałością.
During the match, Zverev showed great endurance.
Here, 'Zverev' highlights the individual in the context of a sports event introduction.