This is the 5340th most frequent Swedish word.
engsund
"Engsund" is not a standard Swedish word.
In this sentence, 'engsund' is used metaphorically to imply a lifestyle that promotes good health, possibly natural and pure like a meadow.
Hans engsund livsstil har verkligen förbättrat hans hälsa.
His meadow-healthy lifestyle has really improved his health.
Here, 'engsund' describes the place as promoting peacefulness and a connection to nature, again using the meadow connotation.
Den engsunda platsen var perfekt för en rofylld promenad.
The meadow-healthy place was perfect for a peaceful walk.
In this usage, 'engsund' reflects the environment's positive and natural influence on health and state of mind.