"Are you returning the clothes?"

[Rob183829]

Please could you tell me what the function of πίσω is in this sentence, and it would mean without it.
Thanks

[Dimitra956826]

I think that this is a mistake, because επιστρέφω translates to return, come back, without πίσω. Επιστρέφω πίσω is a pleonasm, a redundancy. :/

[Rob183829]

Thanks