ἀστεργής
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 (Corpus Hippocraticum, Aphorisms 1.6.2)
English (LSJ)
ές,
A without love, implacable, ὀργή S.Aj.776; ἀ. τι παθεῖν something intolerable, Id.OT229. II repellent, Hp.Gland.16; unyielding, -έστερον ξύλον Id.Fract.16 (s.v.l.), cf. Ruf. ap. Orib.49.28.3.
German (Pape)
[Seite 375] ές, lieblos, feindselig, ὀργὴ θεᾶς Soph. Ai. 764; οὐδὲν ἀστεργὲς πείσεται O. R. 229.