of the color of iron-rust, somber
Latin word, found 18 times in the texts on Socratos.
Vergil, Georgics 1.467: cum caput obscura nitidum ferrugine texit
Vergil, Aeneid 6.303: et ferruginea subvectat corpora cymba,
Lucretius, De Rerum Natura 4.76: et ferrugina, cum magnis intenta theatris
All forms of ferrugineus