σκληρογνώμων
From LSJ
καὶ ὑπολέλειμμαι ἐγὼ μονώτατος, καὶ ζητοῦσι τὴν ψυχήν μου λαβεῖν αὐτήν → and I, even I only, am left; and they seek my life, to take it away (1 Kings 19:14)
English (LSJ)
ον, gen. ονος,
A hard-hearted, Sch.Hes.Op. 146 (Moschop.).
German (Pape)
[Seite 900] hartes, starres Sinnes, Moschop.
Greek (Liddell-Scott)
σκληρογνώμων: -ον, σκληροκάρδιος, Μοσχόπ. εἰς Ἡσ. Ἔργ. κ. Ἡμ. 146· ― οὐσιαστ. σκληρογνωμοσύνη, ἡ, Βυζ.