ἡ κέρκος τῇ ἀλώπεκι μαρτυρεῖ → you can tell a fox by its tail, small traits give the clue to the character of a person
adj.
P. and V. σύμφυτος, ἔμφυτος (Eur., Frag.), V. συγγενής, ἐγγενής, σύγγονος.