ἀλωπέκειος
From LSJ
ἔγνω δὲ φώρ τε φῶρα καὶ λύκος λύκον → the thief knows the thief and the wolf knows the wolf, and thief knows thief and wolf his fellow wolf, set a thief to catch a thief
English (LSJ)
α, ον, Ion. ἀλωπέκ-εος, η, ον,
A of a fox, στέαρ Gal.14.331; λίπος Philum. ap. Orib.45.29.36. II ἀλωπεκέη, Att. contr. -κῆ (sc. δορά), fox-skin, Hdt.7.75: prov., ὅπου ἡ λεοντῆ μὴ ἐφικνεῖται, προσραπτέον ἐκεῖ τὴν ἀλωπεκῆν Plu.Lys.7.
German (Pape)
[Seite 113] vom Fuchs, Galen.