Analysis of information sources in references of the Wikipedia article "Cadmus" in English language version.
[...] a small tribe, speaking a Semitic language, seems to have moved up from the Syrian plains to Cadmeia in Caria–Cadmus is a Semitic word meaning 'eastern' [...].
The name Cadmus is a Greek baby name. In Greek the meaning of the name Cadmus is: He who excels; from the east.