ἀπηνότης
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.
Spanish (DGE)
-ητος, ἡ
crueldad ἀπηνότητι ψυχρίας Epiph.Const.Haer.52.2, ἐν τρυφαῖς ... καὶ ἐν ἀπηνότητι Epiph.Const.Haer.76.1.