ἐν πέτροισι πέτρον ἐκτρίβων → by grinding stone against stones
ἐνελαύνω ;; ὠθέω ;; ἐνωθέω ;; ἐξωθέω ;; ἐνίημι ;; ἐπιάλλω ;; διωθέω ;; βάλλω
