Greek name, comes from the (Κάδμος) which actually means - "from the east"
Cadmus or Kadmos, in Greek, Roman and Phoenician mythologies, was a Phoenician prince, the son of king Agenor and queen Telephassa of Tyre and the brother of Phoenix, Cilix and Europa. He was originally sent by his royal parents to seek out and escort his sister Europa back to Tyre after she was abducted from the shores of Phoenicia by Zeus. Cadmus founded the Greek city of Thebes, the acropolis of which was originally named Cadmeia in his honor.
According to Greek myth, Cadmus's descendants ruled at Thebes on and off for several generations, including the time of the Trojan War.