Δάω

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

English (Slater)

Δάω only in aor. pass. know δᾰέντι δὲ καὶ σοφία μείζων ἄδολος τελέθει (O. 7.53) εὐθυπορεῖ, σάφα δᾰεὶς ἅ τε οἱ πατέρων ὀρθαὶ φρένες ἐξ ἀγαθῶν ἔχρεον (O. 7.91) ἀνδροδάμαντα δἐπεὶ Φῆρες δᾰεν ῥιπὰν μελιαδέος οἴνου fr. 166. 1.