διφθεράριος
From LSJ
ῥᾴδιον φθείρειν φαρμακεύσεσιν ἢ ἀποτροπαῖς ἢ καὶ κλοπαῖς → easy to spoil by means of sorcery or diverting or theft
English (LSJ)
ὁ, parchment-maker, Edict.Diocl.Asin.7.38.
Spanish (DGE)
-ου, ὁ el que confecciona pergaminos, DP 7.38, cf. Gloss.3.25.