This is the 93rd most frequent Norwegian word.
grunn
"Grunn" means "reason," "foundation," or "basis" in English.
The word "grunn" here means "reason." It is used to explain the cause of an action or event.
Grunnen til at jeg kom sent, var trafikk.
The reason I was late was traffic.
The word "grunn" here means "ground." It refers to the surface or foundation of a physical space.
Hun fant en flat grunn for å sette opp teltet.
She found a flat ground to set up the tent.
The phrase "på grunn av" translates to "because of," indicating a cause-effect relationship.