Questions & Answers about Planen er absurd.
The -en is the definite singular ending on the noun plan.
- en plan = a plan
- planen = the plan
This is very common in Norwegian: instead of putting the before the noun, Norwegian usually adds the definiteness to the end of the noun.
Other examples:
- en bil → bilen = the car
- en idé → idéen / ideen = the idea
So planen is not a different word from plan; it is the definite form of the same noun.
Because Norwegian normally expresses the by attaching an ending to the noun.
In English:
- the plan
In Norwegian:
- planen
This is one of the biggest structural differences from English. English uses a separate article, but Norwegian often uses a suffix.
A learner should get used to these pairs:
- en bok / boka eller boken = a book / the book
- et hus / huset = a house / the house
- en plan / planen = a plan / the plan