ἐν πέτροισι πέτρον ἐκτρίβων → by grinding stone against stones
of Latin origin; Neron (i.e. Nero), a Roman emperor: Nero.
(by etymol. 'brave', 'bold'), Νερωνος, ὁ, Nero, the well-known Roman emperor: <ERROR/BIBLE: (i. e. in the subscription).