This is the 4073rd most frequent Catalan word.
desfer
"Desfer" means "to undo" or "to melt" in English, depending on context.
Here 'desfer' is used to mean to undo or untie something, specifically a knot.
Necessito desfer aquest nus a la corda.
I need to untie this knot in the rope.
In this example, 'desfer' indicates the act of unpacking or disassembling something, like suitcases.
Hem de desfer les maletes en arribar a l'hotel.
We have to unpack the suitcases upon arriving at the hotel.
Here 'desfer' conveys the meaning of breaking or undoing an agreement, showing its use in formal contexts.