This is the 17576th most frequent Russian word.
трудолюбия
"Трудолюбие" means "diligence" or "hard work."
The word 'трудолюбие' here is a noun and is used to denote the quality or trait of being hardworking.
Трудолюбие является важной чертой характера.
Diligence is an important character trait.
In this context, 'трудолюбие' refers to the personal quality or effort she exhibited, leading to success.
Её трудолюбие помогло ей добиться высоких результатов.
Her diligence helped her achieve great results.
Here, 'трудолюбие' is used abstractly to denote a characteristic or habit being cultivated among students.