Greek shipping pottery, gold, copper objects far away from their area of provenance attests to this wide-ranging network of shipping transport and trade that existed between the Greek mainland and the Greek islands . The Greeks soon came to dominate the maritime trade in the region, gradually expanding it along the shores of the Mediterranean to Egypt, Phoenicia, Asia Minor, the Black Sea, and establishing colonies. The prowess of the ancient Greek navy was primarily displayed in naval battles during the Persian wars, the Delian League era and the Peloponnesian war. In the following centuries, a large part of the sea trade
Ancient Greek phonology velars . Which one they became depended on dialect and phonological environment. Because of this, certain words that originally had labialized velars have different stops depending on dialect, and certain words from the same root have different stops even in the same Ancient Greek dialect. Near or , the labialized velars had already lost their labialization in the Mycenaean period. Through "psilosis" ('stripping'), from the term for lack of (see below), the was lost even at the beginnings of words. This sound change did not occur in Attic until the Koine period, but occurred in East Ionic and Lesbian Aeolic,