διώνυχος

From LSJ

τὸ μὴ γενέσθαι κρεῖσσον ἢ φῦναι βροτοῖς → not existing is better for mortals than being born, not to be born is better than life for mortals

Source

Spanish (DGE)

-ον de pezuña hendida, patihendido ζῷα EM 811.15G.