Ἀκόναι

From LSJ

δειναὶ δ' ἅμ' ἕπονται κῆρες ἀναπλάκητοι → and after him come dread spirits of death that never miss their mark

Source

Spanish (DGE)

-ῶν, αἱ
Aconas ciudad y puerto de Bitinia en el Ponto Euxino, cerca y prob. al este de Heraclea, Theopomp.Hist.181, Plin.HN 6.4, St.Byz.