ὀρροπύγιον [ῡ], Ion.
ὀρσοπύγιον
GDI 5702.35 (Samos,iv B. C.),τό: (ὄρρος):—
A. rumpof birds, in which the tail-feathers are set, Arist. HA 504a32 , 618b33 , al. (with vv. ll.οὐροπ-, ὀροπ-,cf.τοὐροπ-in Phld. Rh. 2.189
S. , butὀρροπ-is certain in IG 22.1498.27 (Athens,iv B. C.)); of the sepia, Arist. HA 525a12 : generally,tail, rumpof any animal, Ar. V. 1075 , Nu. 162 .