This is the 6146th most frequent Russian word.
сумел
"Сумел" means "managed to" or "was able to."
The word 'сумел' indicates a successfully accomplished action after an effort.
Он сумел закончить проект вовремя.
He managed to complete the project on time.
Here, 'сумел' is used negatively to show inability to accomplish an effort.
Я не сумел разобраться в этой задаче.
I couldn't figure out this problem.
In this sentence, 'сумел' highlights a positive outcome achieved through perseverance or skill.