Φερσεφόνας κυάνεος θάλαμος → dark chamber of Persephone
cognōmĭnātĭo: ōnis, f. access. form of cognomen,I a surname, Afran. ap. Non. p. 87, 23.
cognōmĭnātĭō, ōnis, f., surnom : Afran. d. Non. 87, 21.