κητοφόνος
From LSJ
Τούτῳ τῷ λόγῳ χρήσαιτο ἄν τις ἐπ' ἐκείνων τῶν ἀνθρώπων οἳ παραδόξως ἀλαζονεύονται, μηδὲ τὰ κοινὰ τοῖς ἀνθρώποις ἐπιτελεῖν δυνάμενοι → One would use this fable for those who give themselves unreasonable airs, but can't handle everyday life (Aesop 40)
English (LSJ)
ον,
A killing sea-monsters, AP6.38 (Phil.), Opp.H.5.113.
German (Pape)
[Seite 1435] Meer-, Thunfische tödtend; τρίαινα Philp. 23 (VI, 38); Opp. Hal. 5, 113.
Greek (Liddell-Scott)
κητοφόνος: -ον, ὁ φονεύων κήτη, Ἀνθ. Π. 6. 30, Ὀππ. Ἁλ. 5. 113.