This is the 9489th most frequent Polish word.
widzewem
"Widzewem" is the instrumental form of "Widzew," which refers to a district in Łódź, Poland, or the Widzew Łódź football club.
This sentence uses "Widzewem" as the instrumental case of "Widzew," referring to a sports team (e.g., football team), indicating participation or association.
Byłem na meczu z Widzewem.
I was at the match with Widzew.
Here, "Widzewem" again represents the instrumental case, showing a contextual relationship or joint action with the team.
Mam znajomego, który grał w Widzewem.
I have an acquaintance who played with Widzew.
In this case, "Widzewem" denotes the entity involved in the discussed subject matter, functioning similarly as an instrumental object.