This is the 14046th most frequent German word.
geliehenes
"Geliehenes" means "borrowed" in English.
Here, 'geliehenes' functions as an attributive adjective, describing the noun 'Buch' (book) as borrowed.
Ich habe ein geliehenes Buch gelesen.
I read a borrowed book.
In this sentence, 'geliehenes' modifies 'Fahrrad' (bicycle), again used as an attributive adjective.
Sie besitzt ein geliehenes Fahrrad.
She owns a borrowed bicycle.
'Geliehenes' describes 'Auto' (car), indicating it was borrowed, an attributive adjective describing the situation.