ὦδ' ἔβητ' ἐπὶ ξυροῦ

From LSJ

ὦ ξεῖν', ἀγγέλλειν Λακεδαιμονίοις ὅτι τῇδε κείμεθα τοῖς κείνων ῥήμασι πειθόμενοι → go tell the Spartans, stranger passing by, that here, obedient to their laws, we lie | go tell the Spartans, thou that passest by, that here obedient to their words we lie

Source

Greek > English (Woodhouse)

at so dread a crisis do ye stand