This is the 998th most frequent Icelandic word.
heimild
"Permission" or "source" (depending on context).
In this context, 'heimild' refers to permission granted to perform an action.
Hún fékk heimild til að nota bókasafnið.
She received permission to use the library.
Here, 'heimild' refers to information sources or references used for supporting facts or arguments.
Heimildirnar benda á breytta viðhorf í samfélagi.
The sources point to changed attitudes in society.
In this example, 'heimild' signifies official records or documents used as authoritative reference.