This is the 1772nd most frequent Portuguese word.
ganham
"Ganham" means "they win" or "they earn" in English.
In this sentence, 'ganham' indicates the act of receiving or being awarded something, 'prêmios', due to their efforts.
Eles ganham prêmios pelos seus esforços.
They win prizes for their efforts.
Here, 'ganham' is used to describe acquiring or changing to a state, as the plants acquire vibrant colors during spring.
As plantas ganham cores vibrantes na primavera.
The plants gain vibrant colors in the spring.
In this context, 'ganham' means to accumulate or acquire something, 'experiência', gradually over time.