This is the 12870th most frequent Swedish word.
styck
"Styck" means "piece" or "item" in English.
In this context, 'styck' denotes a single or individual unit of an item, specifically a piece of cake.
Jag köpte en styck tårta.
I bought one piece of cake.
Here, 'styck för styck' is an expression meaning 'piece by piece,' emphasizing the sequential placement of items.
Styck för styck la hon de färgglada legobitarna på bordet.
Piece by piece, she placed the colorful Lego blocks on the table.
In this case, 'styckvis' is an adverb derived from 'styck', indicating that the meat was sold in individual portions.