ἐν πέτροισι πέτρον ἐκτρίβων → by grinding stone against stones
P. and V. ἔξοδος, ἡ, διέξοδος, ἡ, P. ἐκβολή, ἡ.
by sea: P. and V. ἔκπλους, ὁ.
