μοχθεῖν τε βροτοῖσ(ιν) άνάγκη → and you mortals must endure trouble (Euripides' Hippolytus 208)
octōgōnŏs: (octāgōnŏs), i, adj., = ὀκτώ-γωνία,
I eight-cornered, octagonal: turris marmorea octogonos, Vitr. 1, 6, 4.— As subst.: octōgōnum, i, n., an octagon, Vitr. 1, 6, 4 al.