This is the 12114th most frequent Portuguese word.
remontam
"Remontam" means "they date back" or "they go back" in English.
Here, 'remontam' is used to indicate the origin or period to which the traditions are linked.
Muitas das tradições locais remontam aos tempos coloniais.
Many local traditions date back to colonial times.
In this sentence, 'remontam' refers to the historical association of the evidence with an earlier time.
As evidências históricas remontam a um período anterior à Idade Média.
The historical evidence dates back to a period before the Middle Ages.
'Remontam' in this context illustrates how current calculations or concepts can trace their foundation back to older mathematical models.