неустрашимый
From LSJ
αἰθὴρ δ᾽ ἐλαφραῖς πτερύγων ῥιπαῖς ὑποσυρίζει (Aeschylus, Prometheus Bound 126) → The bright air fanned | whistles and shrills with rapid beat of wings.
Russian > Greek
ἀδεής, ἀδδεής, ἀδειής, ἀδείμαντος, ἀταρβής, ἄτρομος, ἀφόβητος, ἄφοβος, καρτερόθυμος, ἀλίαστος, ἀθαμβής, ἀνέκπληκτος, δυσκατάπληκτος, θρασυμέμνων