This is the 54th most frequent Swedish word.
för
The Swedish word "för" means "for," "to," or "too," depending on context.
In this sentence, 'för' is used as part of the expression 'för att' which means 'in order to', introducing the purpose of the action.
Jag gick till affären för att köpa mat.
I went to the store to buy food.
Here, 'för' indicates comparativeness or excessiveness, as in 'too [heavy] for [someone's capacity]'.
Boken är för tung för att jag ska kunna bära.
The book is too heavy for me to carry.
In this example, 'för' expresses the purpose or benefit of the action, similar to 'on behalf of' or 'for the sake of'.