εὔθηλος
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)
ον, (θηλή)
A with distended udder, E.IA579 (lyr.), Ba.737, AP9.224 (Crin.); εὐ. μαστὸς θεᾶς Lyc.1328.