οὐροπύγιον
From LSJ
ἡ κέρκος τῇ ἀλώπεκι μαρτυρεῖ → you can tell a fox by its tail, small traits give the clue to the character of a person
English (LSJ)
v.l. for ὀρροπύγιον (q.v.).
German (Pape)
[Seite 419] τό, = ὀῤῥοπύγιον, Arist. H. A. 9, 32 A.
Greek (Liddell-Scott)
οὐροπύγιον: τό, = ὀρροπύγιον, ὃ ἴδε.
Russian (Dvoretsky)
οὐροπύγιον: τό Arst. = ὀρροπύγιον.