This is the 5984th most frequent Swedish word.
janssont
The word "janssont" does not exist in Swedish. You might mean "Janssons frestelse," which is a traditional Swedish potato and anchovy casserole.
Here, "Janssons" refers to the dish named 'Jansson's temptation', popular in Swedish cuisine.
Janssons frestelse är en populär rätt under julen.
Jansson's temptation is a popular dish during Christmas.
In this sentence, "Jansson" is used as a surname, indicating the person who authored the book.
Jansson skrev en bok om sin resa genom Europa.
Jansson wrote a book about his journey through Europe.
"Janssons" is again referring to the dish Jansson's temptation, indicating variations in its recipes.