This is the 11903rd most frequent Russian word.
заработанного
"Earned."
Here, 'заработанного' is a neuter singular form of the past participle of the verb 'заработать,' referring to earnings.
Они решили отложить часть заработанного на будущее.
They decided to set aside part of the earnings for the future.
In this sentence, 'заработанному' describes what was earned through labor, emphasizing the effect of earning.
Благодаря заработанному труду они смогли купить новый дом.
Thanks to the earned labor, they were able to buy a new house.
Here, 'заработанного' is used to qualify 'успеха,' attributing it as something she earned through her efforts.