This is the 882nd most frequent Icelandic word.
hótel
Hotel.
Here, the word 'hótel' is used in its nominative, strong singular form, referring to a type of accommodation.
Ég gisti á hóteli í Reykjavík.
I stayed at a hotel in Reykjavík.
In this sentence, 'hótelinu' appears in the definite, dative singular form, referring to a specific hotel.
Við fórum í kvöldmat á hótelinu.
We went for dinner at the hotel.
Here, 'Hótelið' is in the nominative, definite singular form, as it specifies a particular hotel as the subject of the sentence.