This is the 4938th most frequent Polish word.
pochodzą
"Come (from)" or "originate."
Here, 'pochodzą' is used to indicate origin.
Oni pochodzą z Warszawy.
They come from Warsaw.
In this sentence, 'pochodzą' denotes the origin of data or information.
Te dane pochodzą z wiarygodnego źródła.
These data come from a reliable source.
Here, 'pochodzą' implies the source or authorship of the items.