ἀμφιδεξίως
From LSJ
οἵτινες πόλιν μίαν λαβόντες εὐρυπρωκτότεροι πολύ τῆς πόλεος ἀπεχώρησαν ἧς εἷλον τότε → after taking a single city they returned home, with arses much wider than the city they captured
Russian (Dvoretsky)
ἀμφιδεξίως: в обоих направлениях, т. е. безразлично: ἀμφιδεξίως ἔχειν Aesch. быть безразличным.