Semnŏ_nes, um, m., = Σέμνωνες, Strab.; Σέμνονες, Ptol.,
a people of Northern Germany , in the territory of the mod. Brandenburg , Tac. G. 39; id. A. 2, 45; Vell. 2, 106, 2.
SEMNONES(Σέμνωνεςor Σέμνονες), or perhaps more correctly Sennones, are described as the most ancient...
Dictionary of Greek and Roman Geography