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From LSJ
οὐκ ἔστι λέουσι καὶ ἀνδράσιν ὅρκια πιστά → there are no pacts between lions and men, between lions and men there are no oaths of faith, there can be no covenants between men and lions
Russian > Greek
γρηγορέω, ἐπαγρυπνέω, ἐγρηγοράω, προσαγρυπνέω, ἐγρήσσω, ἀγρυπνέω, ἐπικοιτέω, διαγρυπνέω, προεγείρω, κοιμάω, κοιμέω