μυστρίον
From LSJ
διὸ καὶ μεταλάττουσι τὴν φυσικὴν χρῆσιν εἰς τὴν παρὰ φύσιν αἱ δοκοῦσαι παρθένοι τῶν εἰδώλων → therefore those professing to be virgins of the idols even change the natural use into the unnatural (Origen, commentary on Romans 1:26)
English (LSJ)
τό, Dim. of μύστρον, Antyll. ap. Orib.8.6.9, Hero
A *Geom. 23.64, Eust.1368.51. II = μυστίλη, Sch.Ar.Pl.627.
