Καδμεῖοι
From LSJ
αὐτὸν κέκρουκας τὸν βατῆρα τοῦ λόγου → you have struck the very threshold of the argument, you have struck the most important and chiefmost point
the Cadmeians, Thebans, Il. 4.391, 385.
Καδμεῖοι: οἱ кадмейцы, потомки Кадма, т. е. фиванцы Hom., Her.