from The Century Dictionary.
- noun In Roman antiquity, a loose woolen cloak.
Sorry, no etymologies found.
One, a tall well-made figure, splendidly accoutred in the cavalry armor of the day, he recognized at once for Arvina, and in the stouter person, clad in the blue abolla, the color of which he had already connected with one whom he knew — his worst fears all realized — he discovered the messenger of treason, Titus Volturcius of Crotona.
Young Arvina’s, I think; and they appear to be conducting a prisoner, for there is one man among them, in his tunic and abolla only, while the troopers around him have their swords drawn. "