μεταλλουργεῖον
From LSJ
κρείσσων ἐναρχόμενος βοηθῶν καρδίᾳ τοῦ ἐπαγγελλομένου καὶ εἰς ἐλπίδα ἄγοντος· δένδρον γὰρ ζωῆς ἐπιθυμία ἀγαθή (Proverbs 13.12 LXX) → One who sincerely sets about helping is better than one who makes promises leading to hope; for a kindly urge is a tree of life.
English (LSJ)
τό,
A mine, D.S.5.38.
German (Pape)
[Seite 149] τό, Ort, wo Metalle verarbeitet werden, D. Sic. 5, 38.
Greek (Liddell-Scott)
μεταλλουργεῖον: τό, μεταλλεῖον, Διόδ. 5. 38.