This is the 1034th most frequent Swedish word.
grunden
"The foundation" or "the basis."
Here, 'grunden' refers to 'grund' in singular definite form, which means 'foundation', signifying the physical base upon which the house is constructed.
Huset byggdes på en stadig grund.
The house was built on a solid foundation.
In this context, 'grunden' means 'the basis' or underlying reason, indicating the fundamental cause of an abstract concept like a conflict.
Grunden till konflikten är brist på kommunikation.
The basis of the conflict is a lack of communication.
Here, 'grunden' is used in a phrase 'på grunden av' which translates to 'based on', indicating a reasoning or supporting evidence derived from the explanation.