The name comes from a type of natural bridge that overpassed the river near the bishup-seat in Skalholt. According to sources from the bishop a worker of the bishop broke the bridge in 1602 because the seat didn't want dirty wanderers to have it to easy to approach.
The name is derived from a natural arch that crossed the river near the bishop's residence in Skalholt. Historical sources indicate that a worker of the bishop demolished this bridge in 1602, as the seat didn't want easy access for dirty travelers.