This is the 1901st most frequent Polish word.
putinem
"Putinem" is the instrumental case of "Putin" in Polish, referring to the Russian surname, often used in contexts related to Vladimir Putin.
Here, 'Putinem' is the instrumental case of 'Putin', used to indicate the person involved in the meeting.
Słyszałem, że spotkanie z Putinem odbyło się wczoraj.
I heard that the meeting with Putin took place yesterday.
In this sentence, 'Putinem' is again in the instrumental case, illustrating association or involvement with a topic.
Jego artykuł dotyczył współpracy z Putinem.
His article concerned cooperation with Putin.
Again, 'Putinem' is in the instrumental case, showing who was involved in the discussions.