διαστύφω
From LSJ
οὐ δικαίως θάνατον ἔχθουσιν βροτοί, ὅσπερ μέγιστον ῥῦμα τῶν πολλῶν κακῶν → unjustly men hate death, which is the greatest defence against their many ills | men are not right in hating death, which is the greatest succour from our many ills
Spanish (DGE)
1 preservar, conservar τὰ σεσηπότα Thdt.M.81.40A.
2 medic., en v. med.-pas. διαστύφομαι = estreñirse, Hippiatr.35.1.