This is the 410th most frequent Hebrew word.
בסופו
"In its end" or "ultimately."
The word 'בסופו' is used to indicate the conclusion of a temporal period, referring to 'at the end'.
בסופו של יום, הם הצליחו למצוא פתרון לשאלה.
At the end of the day, they managed to find a solution to the question.
Here, 'בסופו' refers specifically to the end of the movie.
הסרט היה מרתק, ובסופו כל התעלומות נפתרו.
The movie was captivating, and by the end of it, all mysteries were resolved.
In this case, 'בסופו' is used in an idiomatic phrase 'בסופו של דבר,' meaning 'ultimately' or 'eventually.'