ἀστεργής
From LSJ
δυνατὰ δὲ οἱ προύχοντες πράσσουσι καὶ οἱ ἀσθενεῖς ξυγχωροῦσιν → the strong do what they will; the weak do what they must | the strong do what they can and the weak suffer what they must | they that have odds of power exact as much as they can, and the weak yield to such conditions as they can get
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.