διαστύφω
From LSJ
Τοὺς δούλους ἔταξεν ὡρισμένου νομίσματος ὁμιλεῖν ταῖς θεραπαινίσιν → He arranged for his male slaves to have sex with female slaves at a fixed price (Plutarch, Life of Cato the Elder 21.2)
Spanish (DGE)
1 preservar, conservar τὰ σεσηπότα Thdt.M.81.40A.
2 medic., en v. med.-pas. διαστύφομαι = estreñirse, Hippiatr.35.1.