οὐροπύγιον
From LSJ
ἀλλήλων τὰ βάρη βαστάζετε, καὶ οὕτως ἀναπληρώσετε τὸν νόμον τοῦ Χριστοῦ → bear each other's burdens, and in that way fulfill the anointed King's Law (Galatians 6:2)
English (LSJ)
A v.l. for ὀρροπύγιον (q.v.).
German (Pape)
[Seite 419] τό, = ὀῤῥοπύγιον, Arist. H. A. 9, 32 A.