This is the 3237th most frequent Swedish word.
smilla
"Smilla" is not a standard Swedish word; it is typically used as a name.
Here, 'Smilla' refers to a proper noun, specifically the name of a character and the title of a book.
Smilla är en populär bok av Peter Hoeg.
Smilla is a famous book by Peter Hoeg.
In this sentence, 'smilla' is used metaphorically to mean 'a trace' or 'a small sensation' of an emotion.
När det snöar kan jag känna en smilla av barndomens glädje.
When it snows, I can sense a trace of the happiness from childhood.
In this context, 'smilla' is employed in its verb form to mean 'to sprinkle lightly.'