ἐκτειχισμός
From LSJ
ἡμῶν δ' ὅσα καὶ τὰ σώματ' ἐστὶ τὸν ἀριθμὸν καθ' ἑνός, τοσούτους ἔστι καὶ τρόπους ἰδεῖν → whatever number of persons there are, the same will be found the number of minds and of characters
English (LSJ)
ὁ,
A fortification, Arr.An.6.20.1.
German (Pape)
[Seite 780] ὁ, Befestigung durch Mauern, Arr. An. 6, 20, 2.