Etymology of the Greek word apostrophe (ἀποστροφή)
the Greek word apostrophe, ἀποστροφή
derived from the Greek word apostrephein, ἀποστρέφω
using the Greek prefix apo-
derived from the Greek word apo, ἀπό (from; 'off,' away (from something near), in various senses (of place, time, or relation; literal or figurative))
derived from the Greek word strephein, στρέφειν, στρέϕω, στρέφω