διοπτικός

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

Spanish (DGE)

-ή, -όν
1 relativo a la observación mediante instrumentos de precisión τὰ διοπτικά tít. de un tratado astronómico de Euclides, Plu.2.1093e.
2 translúcido διοπτικὰς βώλους μεγάλας Str.12.2.10.

Greek Monolingual

-ή, -ό
αυτός που ανήκει ή αναφέρεται στη διόπτευση, σκοπευτικός.