This is the 61st most frequent Norwegian word.
hennes
"Her" (possessive form).
In this sentence, 'hennes' is used as a possessive pronoun to indicate ownership, showing that the book belongs to 'her'.
Jeg fant boken hennes på bordet.
I found her book on the table.
Here, 'hennes' functions as a possessive pronoun in the predicate, specifying who the favorite color belongs to.
Hennes favorittfarge er blå.
Her favorite color is blue.
In this context, 'hennes' is also a possessive pronoun but used to describe ownership of the house.