This is the 9825th most frequent Portuguese word.
derrubou
"Knocked down" or "overthrew."
Here, "derrubou" metaphorically means to overcome or dispel doubts using an effective argument.
O argumento dele derrubou todas as minhas dúvidas.
His argument eliminated all of my doubts.
In this sentence, "derrubou" is used to describe the action of force leading to trees falling due to the wind.
O vento forte derrubou as árvores no parque.
The strong wind knocked down the trees in the park.
In this sentence, "derrubou" describes the accidental action of causing the glass to fall from the table.