σιδηρουργεῖον
From LSJ
διὸ καὶ μεταλάττουσι τὴν φυσικὴν χρῆσιν εἰς τὴν παρὰ φύσιν αἱ δοκοῦσαι παρθένοι τῶν εἰδώλων → therefore those professing to be virgins of the idols even change the natural use into the unnatural (Origen, commentary on Romans 1:26)
English (LSJ)
τό,
A iron-mine, Str.4.2.2, 5.1.8, 17.2.2.
German (Pape)
[Seite 880] τό, Eisengrube, Eisenschmiede, Strab. 4, 2, 2 u. sonst.