 But the name seems to have continued in general use, and became corrupted in the Middle Ages into Prutium and Aprutium, from whence the modern name of Abruzzo is generally thought to be derived.Ptolemy also assigns to them the town of Beregra.And the editors of the "1911 Encyclopædia Britannica", based on their interpretation of Pliny's text assign the towns of Castrum Novum and Truentus to the tribe.