This is the 6291st most frequent Swedish word.
lasten
"Lasten" in Swedish means "the cargo" or "the load."
Here, 'lasten' refers to 'the load' in a transportation context.
Lasten på lastbilen var tung.
The load on the truck was heavy.
This context uses 'lasten' as modification influence to indicatively mention 'laughter' ('skratten').
Jag hörde skratten från barna i trädgården.
I heard the laughter of the children in the garden.
In this sentence, 'lasten' denotes 'the burden' metaphorically representing a weight or challenge.