This is the 4716th most frequent Portuguese word.
dói
"Hurts" or "aches."
Here, 'dói' is a verb meaning 'hurts' used to describe physical pain experienced by the subject.
Minha cabeça dói depois de um longo dia.
My head hurts after a long day.
In this sentence, 'dói' expresses emotional pain or aching, metaphorically linked to the heart.
O coração dói quando penso naquele momento triste.
The heart aches when I think about that sad moment.
'dói' functions as a question about the presence or absence of pain in a specific situation or area.