dĭbăphus — Lewis & Short
dĭbăphus, a, um, or us, um, adj., = di/bafos,
I double dyed (once with scarlet and then with purple):
purpura,Plin. 9, 39, 63, § 137; 21, 8, 22, § 45.—Because the Roman magistrates wore garments striped with purple,
II Trop.: dibaphus, i, f. ( = h( di/bafos, sc. e)sqh/s), the purple staterobe of a high magistrate:
Curtius noster dibaphum cogitat, sed eum infector moratur,Cic. Fam. 2, 16 fin. (id. Att. 2, 9, 2, written as Greek).