Lewis & Short

pĕdĭtastellus, i, m. dim. [peditaster, not in use; formed like parasitaster, etc.; cf.: magistellus, cultellus, etc.], a wretched foot-soldier, tramp: at peditastelli quia erant, sivi viverent, Plaut. Mil. 1, 1, 50 Brix ad loc.