ἀνεισφόρητος

From LSJ

κέρκος τῇ ἀλώπεκι μαρτυρεῖ → you can tell a fox by its tail, small traits give the clue to the character of a person

Source

Spanish (DGE)

-ον
exento de impuestos πόλις SIG 612C.5 (Delfos II a.C.).