Awesome book, and one of the things I remember best about it is indeed about colours. He says historians of literature wondered whether ancient (homeric) Greeks

Awesome book, and one of the things I remember best about it is indeed about colours. He says historians of literature wondered whether ancient (homeric) Greeks were colourblind, since they describe the sea as "wine red"; but in fact it's just that they used "red" to describe certain dark colours. This later already changed in classical Greece.