This is the 6068th most frequent Swedish word.
kakskerta
"Kakskerta" is a locality in Finland, not a Swedish word with a specific definition.
Here, 'kakskerta' is used as a noun referring to a specific item consumed during breakfast.
Jag åt en kakskerta till frukost.
I ate a kakskerta for breakfast.
In this sentence, 'kakskerta' is again a noun, presented as an object of inquiry or interest.
Skulle du vilja smaka på denna kakskerta?
Would you like to taste this kakskerta?
Here, 'kakskerta' functions as a noun describing the object of baking by the speaker's friend.