ἀνεπιεικής
From LSJ
Σοφῷ παρ' ἀνδρὶ (Σοφοῦ παρ' ἀνδρὸς) πρῶτος εὑρέθη λόγος → Apud sapientem inventa est ratio primitus → Bei einem weisen Mann fand man zuerst Vernunft
English (LSJ)
ές,
A unreasonable, unfair, Th.3.66, Ar.Fr.50D., Phld.Ir.p.57W., Alex.Aphr.in Top.208.9: neut. as Adv., without consideration,PGiss.39.3 (ca. 200 B.C.): regul. Adv. -κῶς Arr.An.7.29.1, Poll.8.13.
German (Pape)
[Seite 224] ές, unbillig, hart, ἀνεπιεικέστερόν τι πρᾶξαι Thuc. 3, 66.