κεραστίς
From LSJ
τοῦ δὲ πολέμου οἱ καιροὶ οὐ μενετοί → in war, opportunities won't wait | the chances of war will not wait (Thucydides 1.142.2)
German (Pape)
[Seite 1422] ίδος, ἡ, fem. zu κεραστής, Arcad. p. 35, 19.
Greek (Liddell-Scott)
κεραστίς: -ίδος, ἡ, ἴδε κεράστης.