This is the 12400th most frequent Portuguese word.
sobem
"Sobem" means "they go up" or "they rise."
Here, 'sobem' is used as the third person plural of 'subir', meaning 'they climb'.
Os alunos sobem as escadas rapidamente.
The students climb the stairs quickly.
In this sentence, 'sobem' indicates the action of rising, applied to the leaves affected by the wind.
As folhas sobem com o vento.
The leaves rise with the wind.
Here, 'sobem' refers to the increase in prices, conveying economic movement upward.