This is the 520th most frequent Bulgarian word.
десетки
"Tens" (groups of ten).
Here, 'десетки' (dozens) indicates a notably consistent quantity within a specific context, time.
Той разреши задачата за десетки минути.
He solved the problem in dozens of minutes.
In this sentence, 'десетки' (dozens) refers to numerous individual trials or efforts within the narrative scope.
След десетки опити той най-накрая успя.
After dozens of attempts, he finally succeeded.
The word 'десетки' (dozens) is used to express an approximate large number.