Í anddyrinu er nýr dyrasími sem virkar loksins vel.

to be

Breakdown of Í anddyrinu er nýr dyrasími sem virkar loksins vel.

• vel: well
• í: in
• nýr: new

Questions & Answers about Í anddyrinu er nýr dyrasími sem virkar loksins vel.

Why is anddyrinu in that form?

It is the dative singular definite form of anddyri.

That happens because í can take:

• dative for location: in
• accusative for motion into something: into

Here the meaning is location, so Icelandic uses the dative:

• í anddyrinu = in the hallway / in the entrance hall

If it meant motion, you would expect:

• í anddyrið = into the hallway

Why is the word for the attached to anddyri instead of being a separate word?

In Icelandic, the definite article is usually a suffix, not a separate word.

So:

• anddyri = an entrance hall / a vestibule
• anddyrið = the entrance hall
• anddyrinu = in the entrance hall or to the entrance hall, depending on context and case

So -nu here is part of the definite dative ending.

Why does the sentence start with Í anddyrinu instead of the subject?