ὀρροπύγιον
φωνὰ τύ τίς ἐσσι καὶ οὐδὲν ἄλλο → it's all voice you are, and nothing else | it's all voice ye are, and nought else
English (LSJ)
[ῡ], Ion. ὀρσοπύγιον GDI5702.35 (Samos, iv B. C.), τό: (ὄρρος):—
A rump of birds, in which the tail-feathers are set, Arist. HA504a32,618b33, al. (with vv. ll. οὐροπ-, ὀροπ-, cf. τοὐροπ- in Phld. Rh.2.189 S., but ὀρροπ- is certain in IG22.1498.27 (Athens, iv B. C.)); of the sepia, Arist.HA525a12 : generally, tail, rump of any animal, Ar.V.1075, Nu.162.
Greek (Liddell-Scott)
ὀρροπύγιον: [ῡ], τό, τὸ ἄκρον τοῦ κόκκυγος λεγομένου ὀστοῦ τῶν πτηνῶν, ὅθεν φύονται τὰ πτερὰ τῆς οὐρᾶς, κοινῶς «κωλοκούκουρον», Ἀριστ. π. τὰ Ζ. Ἱστ. 2. 12, 9., 9. 32, 3 καὶ 5 (ἔνθα ὁ Βεκκῆρ. διατηρεῖ οὐροπ-, ἀλλ’ ἴδε Cobet V. LL. 278)· - τὸ οὐραῖον πτερύγιον τῶν ἰχθύων, αὐτόθι 4. 1. 25· - καθόλου, ἡ οὐρὰ ἢ ὁ γλουτὸς παντὸς ζῴου, Ἀριστοφ. Σφ. 1075, Νεφ. 162.