This is the 9742nd most frequent Portuguese word.
datam
"Datam" is the third-person plural form of the verb "dar" in the subjunctive or imperative mood, meaning "they give" or "may they give."
In this sentence, 'datam' reflects the verb 'to date' in the sense of assigning a date to an item or document.
Eles datam o documento antes de enviá-lo.
They date the document before sending it.
Here, 'datam' is used as 'date back', referencing the time period associated with the fossils.
Os fósseis datam de milhões de anos atrás.
The fossils date back to millions of years ago.
'Datam' in this context means to attribute a date or time frame to specific historical events.