ἐκεῖθι
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
English (LSJ)
and κεῖθι (the only form used by Hom. exc. Od.17.10, also by Trag. where metre requires), Aeol. κῆθι Sapph.Supp.25.18 (prob.) : Dor. τηνόθι Theoc.8.44 : poet. for ἐκεῖ, Il.3.402, Od.17.10 : in late Prose,
A οἱ ἐκεῖθι Ael.NA6.15 ; κεῖθι Alciphr.3.53, Them.Or.4.57a. II = ἐκεῖσε, κεῖθι μολών Hes.Fr.134.10, cf. Musae.23, Opp. H.4.274, dub. in A.Th.809.