Questions & Answers about Lestrarsalurinn er opinn.
It is built into lestrarsalurinn.
Icelandic usually puts the definite article on the end of the noun instead of using a separate word like English the. So:
- lestrarsalur = reading room
- lestrarsalurinn = the reading room
So the sentence does not need a separate word for the.
Because Icelandic uses compound nouns very freely.
English often writes this idea as two words, reading room, but Icelandic normally combines the parts into one noun:
- lestur = reading
- salur = hall, room
Together they form lestrarsalur.
This is very common in Icelandic, so long nouns are often easier to understand once you learn to spot the smaller parts inside them.