This is the 250th most frequent Icelandic word.
erfitt
Difficult.
Here, 'erfitt' is used as an adjective to describe the process of learning a new language as being difficult.
Það er erfitt að læra nýtt tungumál.
It is difficult to learn a new language.
In this example, 'erfitt' is used narratively to express an emotional difficulty in parting.
Það var erfitt fyrir þau að skilja.
It was difficult for them to part.
'Erfitt' in this case describes the action of hiking mountains as challenging, particularly for those who lack experience.