εναντιώνυμος

From LSJ

βίος ἀνεόρταστος μακρὴ ὁδὸς ἀπανδόκευτος → a life without feasting is a long journey without an inn | a life without festivals is a long journey without inns | a life without festivals is a long road without inns | a life without festivity is a long road without an inn | a life without festivity is like a long road without an inn | a life without holidays is like a long road without taverns | a life without parties is a long journey without inns | a life without public holidays is a long road without hotels

Source

Greek Monolingual

ἐναντιώνυμος, -ον (Α)
(για τη σχέση μεταξύ άρτιων και περιττών αριθμών) ο αριθμός που έχει αντίθετο όνομα από άλλον, όπως άρτιος-περιττός.