This is the 5289th most frequent Swedish word.
ehrström
The word "ehrström" does not have a standard definition in Swedish; it may be a proper noun, such as a surname.
In this sentence, 'Ehrström' refers to a proper noun, specifically a surname.
Ehrström är en ovanlig efternamn i Sverige.
Ehrström is an uncommon surname in Sweden.
Here, 'Ehrström' identifies a person, emphasizing a formal address with 'Herr.'
Herr Ehrström presenterade sin forskning på universitetet.
Mr. Ehrström presented his research at the university.
In this context, 'Ehrström' is used to reference the theorist associated with the theory.