Where does “kökssoffa” come from?

kökssoffa (Swedish) comes from Swedish kök, from Old Swedish kökia, from Middle Low German kôke, from Middle Low German kȫkene, from Old Saxon kukina, from Proto-West Germanic kukinā, from Latin cocīna, from Latin coquīna.

kökssoffa (Swedish): a bench-like piece of furniture, often with a compartment beneath the seat for which the seat is the lid; sometimes able to be converted into a bedframe by pulling out the front of the compartment; previously often placed in the kitchen and sometimes used as a bed by domestic servants