Questions & Answers about Katten jakter på musen.
Because -en is the usual definite singular ending for many common-gender nouns in Bokmål.
- katt = cat
- katten = the cat
So instead of adding a separate word like English the, Norwegian often adds the definiteness to the end of the noun.
Because Norwegian usually puts the onto the noun as an ending.
Compare:
- en katt = a cat
katten = the cat
- en mus = a mouse
- musen = the mouse
This is one of the biggest differences from English noun structure.