κοιλωπής
From LSJ
τὸν ἴδιον κίνδυνον ὑποθείς → at his own risk
German (Pape)
[Seite 1467] ές, = κοιλωπός, Nic. Al. 442 αὐγαί.
Greek (Liddell-Scott)
κοιλωπής: -ές, ἔχων κοίλους ὀφθαλμούς, κοιλωπέες αὐγαὶ Νικ. Ἀλεξιφ. 442· ― θηλ. κοιλῶπις, ιδος, Ἀνθ. Π. 6. 219.