μολυβδοτήξ
From LSJ
καὶ ὑποθέμενος κατὰ τῆς κεφαλῆς φέρειν τὰς πληγάς, ὡς ἐν ἐκείνῃ τοῦ τε κακοῦ τοῦ πρὸς ἀνθρώπους → and having instructed them to bring their blows against the head, seeing that the harm to humans ... (Josephus, Antiquities of the Jews 1.50)
English (LSJ)
ῆκος, ὁ,
A melter of lead, Theognost.Can.40: μολιβδοτήξ, Hdn.Gr. ap. Choerob. in Theod.1.291: μολιβδότηξ, Anon. ap. eund.ibid.