"Set of islands in the middle of the sea", although it has taken some meanings such as "lands surrounded by river arms" or "group of similar constructions distributed in a geographical terrain". At first it was a way of calling the Aegean (with its many islands) with the Greek voices 945; 961; 967; 953; ( archi "superior" ) and 960; 949; 955; 945; 947; 959; 962; ( pélagos "sea" ) .