This is the 898th most frequent Icelandic word.
eigendur
Owners.
"Eigendur" refers to persons who owned the book, emphasizing their status as possessors.
Bókin sem ég fann hafði einhverja óþekkta eigendur.
The book I found had some unknown owners.
"Eigendur" again means "owners" and denotes those who have responsibility for or possession of the dog.
Eigendur hundsins komu að sækja hann.
The dog's owners came to pick him up.
"Eigendur" means "owners" and is used here to indicate individuals who possess ownership of the store.