ἀποσταυροῦν
From LSJ
οὕτω τι βαθὺ καὶ μυστηριῶδες ἡ σιγὴ καὶ νηφάλιον, ἡ δὲ μέθη λάλον → silence is something profound and mysterious and sober, but drunkenness chatters
Greek > English (Woodhouse Verbs Reversed)
(see also: ἀποσταυρόω) fortify with a stockade, surround with a palisade
Lexicon Thucydideum
vallo claudere, to close off with a rampart, 4.69.2, 6.101.2, 7.80.6.