This is the 367th most frequent Azerbaijani word.
etmişdir
"Etmişdir" means "has done" or "has made" in English.
Here, 'etmişdir' serves to express the occurrence of the situation in the past with emphasis on its completion.
Bu vəziyyət əvvəllər baş vermişdir.
This situation has happened before.
In this context, 'etmişdir' highlights the completion of the action described in conjunction with 'to finish'.
O, bu kitabı oxuyub bitirmişdir.
He/she has read and finished this book.
In this sentence, 'etmişdir' is used to indicate that the action of doing good deeds has been performed with a sense of completion.