As someone having sailed on the Mediterranean Sea, I never questioned the comparison of the colour of deep sea with red wine. Also remember that Homer didn't dr

As someone having sailed on the Mediterranean Sea, I never questioned the comparison of the colour of deep sea with red wine. Also remember that Homer didn't drink wine in glass, but in earthenware, often glazed black. I'm pretty sure a red wine seen in a black crater is very dark indeed, like the deep sea.