Questions & Answers about Sykdommen er dødelig.
Because -en is the definite singular ending for many masculine nouns in Norwegian.
- sykdom = disease / illness
- sykdommen = the disease
So instead of putting a separate word like the in front, Norwegian often adds the definiteness to the end of the noun.
In Norwegian, the is usually built into the noun as a suffix.
Compare:
- en sykdom = a disease
- sykdommen = the disease
This is very different from English, where the is a separate word.