ἀποστασία
From LSJ
Ἐς δὲ τὰ ἔσχατα νουσήματα αἱ ἔσχαται θεραπεῖαι ἐς ἀκριβείην, κράτισται → For extreme diseases, extreme methods of cure, as to restriction, are most suitable.
English (LSJ)
ἡ, late form for ἀπόστασις,
A defection, revolt, v.l. in D.H.7.1, J.Vit.10, Plu.Galb.1; esp. in religious sense, rebellion against God, apostasy, LXX Jo.22.22, 2 Ep.Th.2.3. 2 departure, disappearance, Olymp. in Mete.320.2. 3 distinguishing, c. gen., Elias in Cat.119.7. 4 distance, Archim.Aren.1.5.