This is the 9428th most frequent Russian word.
труда
The Russian word "труда" means "labor," "work," or "effort" (genitive singular or nominative plural of "труд").
In this sentence, 'труду' refers to the concept of effort and perseverance needed to succeed, highlighting the figurative use of the noun in dative case.
Успех в учёбе достигается лишь благодаря упорному труду.
Success in studying is achieved only through hard work.
Here, 'труд' implies the physical or intellectual work done as a contribution to society, indicating it in nominative case.
Награда была выдана за заслуги и труд на благо общества.
The award was given for merits and labor for the benefit of society.
In this case, 'труда' specifies the kind of effort required, used in the genitive case.