This is the 1986th most frequent Polish word.
dołączyć
"Dołączyć" means "to join" or "to attach."
Here, 'dołączyć' means to 'join' in the sense of becoming a member of a group or organization.
Chciałbym dołączyć do klubu szachowego.
I would like to join the chess club.
In this sentence, 'dołączyć' is used to mean 'attach' or 'add something to something else', specifically in the context of documents or files.
Muszę dołączyć plik do tego e-maila.
I need to attach the file to this email.
In this context, 'dołączyć' refers to physically joining or participating in a gathering or meeting.