смертоносный
From LSJ
Τὸ νικᾶν αὐτὸν αὑτὸν πασῶν νικῶν πρώτη τε καὶ ἀρίστη → The first and best victory is to conquer self.
Russian > Greek
ἀνδροφθόρος, αἱματηφόρος, ὠκύμορος, δυσθάνατος, θανάσιμος, σφάγιος, διασφακτήρ, θανατηφόρος, ἀνδροδάϊκτος, ἀνδροφόνος