σιδηρεῖον

From LSJ

Τὸ μανθάνειν δ' ἥδιστον εὖ λέγοντος, εἰ κέρδος λέγοι → It is the sweetest thing to learn from one speaking well, if they speak profitably

Sophocles, Antigone, 1031-2

German (Pape)

[Seite 879] τό, Werkstätte des Eisenarbeiters, die Schmiede; Arist. pol. 1, 11; Theophr.

Dutch (Woordenboekgrieks.nl)

σιδηρεῖον -ου, τό [σίδηρος] ijzermijn.