μολυβδοτήξ
From LSJ
ἔνδον γὰρ ἁνὴρ ἄρτι τυγχάνει, κάρα στάζων ἱδρῶτι καὶ χέρας ξιφοκτόνους → yes, the man is now inside, his face and hands that have slaughtered with the sword dripping with sweat
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.