This is the 809th most frequent Danish word.
koster
The Danish word "koster" means "costs" in English.
Here, 'koster' is used in the context of inquiring about the monetary price of a book.
Hvor meget koster denne bog?
How much does this book cost?
In this sentence, 'koster' reflects the concept of something requiring effort or resources.
Træning koster både tid og energi.
Training costs both time and energy.
Here, 'koster' conveys the idea of losing something valuable, in this case, the victory due to a mistake.