This is the 2584th most frequent Dutch word.
geleen
"Geleen" is a proper noun, referring to a town in the Netherlands.
In this sentence, "geleend" is the past participle of the verb "lenen," which means to borrow or lend. It indicates that the subject has borrowed the book.
Ik heb een boek geleend van de bibliotheek.
I borrowed a book from the library.
Here, "geleende" is an adjective derived from the past participle of "lenen." It describes the bicycle as being borrowed.
De geleende fiets staat nog steeds in de garage.
The borrowed bicycle is still in the garage.
In this usage, "lenen" is the verb in its infinitive form, meaning to lend. It is asking for the action of lending.