This is the 3430th most frequent Polish word.
zagranicy
"Zagranicy" means "from abroad" or "from a foreign country" in English.
The word 'zagranicy' in this sentence is used as a noun indicating origin from a foreign country.
Mój przyjaciel pochodzi z zagranicy.
My friend comes from abroad.
Here, 'zagranicy' is used to specify the origin of the student, referring to someone from a foreign country.
Przyjechał do nas student z zagranicy.
A student from abroad came to us.
In this sentence, 'zagranicy' highlights the foreign authors as a descriptor for the books.