τειχοποιΐα
From LSJ
τὸ κακὸν δοκεῖν ποτ' ἐσθλὸν τῷδ' ἔμμεν' ὅτῳ φρένας θεὸς ἄγει πρὸς ἄταν → evil appears as good to him whose mind the god is leading to destruction (Sophocles, Antigone 622f.)
German (Pape)
[Seite 1081] ἡ, das Machen, Bauen, Errichten der Mauern; – das Amt des τειχοποιός.