Prostastius
Prosta'stius
a Roman artist in mosaic, of the time of the emperors, whose name is inscribed on a mosaic pavement found at Aventicum (Avenches) in Switzerland. (Schmidt, Antiq. de la Suisse, pp. 17, 19, 24; R. Rochette, Lettre à M. Schorn, p. 394.) [P.S]