Not Norwegian but sounds like it to me, a German. In any case in German this is exactly how you'd create a new word. Gammeln (rotting) + Buch (book) + Duft (sce

Not Norwegian but sounds like it to me, a German. In any case in German this is exactly how you'd create a new word. Gammeln (rotting) + Buch (book) + Duft (scent). Then you have Gammelbuchduft. In French maybe you can make it parfum de livre.