αρτιεπής

From LSJ

πρὶν τοὺς ἰχθῦς ἑλεῖν σὺ τὴν ἅλμην κυκᾷς → you're mixing the sauce before catching the fish | don't count your chickens before they are hatched | don't count your chickens before they hatch | first catch your hare | first catch your rabbit | first catch your rabbit and then make your stew | first catch your hare, then cook it | first catch your hare, then cook him

Source

Greek Monolingual

ἀρτιεπής, -ές (Α)
1. αυτός που έχει ευχέρεια στον λόγο
2. αυτός που απαντά πρόθυμα, αμέσως
3. ο σαφής.
[ΕΤΥΜΟΛ. < αρτι- + -επής < έπος (πρβλ. ηδυεπής, καλλιεπής)].