προκατασκευάζω
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)
A prepare beforehand, εἱρκτὰς ταῦτα π. X.Cyr.3.1.19, cf. D.S.15.47 (codd.); νίκην ib.3; φάρμακον D.C.60.34; fortify in advance, [εἰσβολάς] Aen. Tact.16.16; π. τινὰ εὔλυτον put him into a condition of free bowel-action, Alex. Trall.11.2:—Med., φίλους Plb.4.32.7, cf. LXX Si.Prol.26, Gal.6.180:—Pass., Hp.Haem.3, Arist.Col.792b5, Plb.1.21.3. II Rhet., use the device of προκατασκευή 3, Hermog.Inv.3.2; -σκευαζόμενος στοχασμός Id.Stat. 3.