pepinillo del diablo
From LSJ
οὗτος μὲν ὁ πιθανώτερος τῶν λόγων εἴρηται, δεῖ δὲ καὶ τὸν ἧσσον πιθανόν, ἐπεί γε δὴ λέγεται, ῥηθῆναι → this is the most credible of the stories told; but I must relate the less credible tale also, since they tell it
Spanish > Greek
βουβάλιον, ἀγριοσίκυον, ἀγριαγγουρέα, ἀγριαγγούριον, αἷμα ἰκτῖνος