σιδήρωσις
From LSJ
τοῦ δὲ πολέμου οἱ καιροὶ οὐ μενετοί → in war, opportunities won't wait | the chances of war will not wait (Thucydides 1.142.2)
English (LSJ)
εως, ἡ,
A iron-work, IG22.1672.205, Bito 49.7: in concrete sense,= σιδηρώματα, POxy.1208.14 (iii A.D.).
Greek (Liddell-Scott)
σῐδήρωσις: -εως, ἡ, ἐργασία σιδήρου, σιδηροῦν κατασκεύασμα, τὸ σιδηρώνειν, Βίτωνος Μηχαν. 107.