ιοπάρειος
From LSJ
οὐκ ἂν λάβοις παρὰ τοῦ μὴ ἔχοντος → you can't take from one who doesn't have, you can't squeeze blood out of a turnip, you can't get blood out of a turnip, you can't get blood from a stone, you can't get blood out of a stone
Greek Monolingual
ἰοπάρειος, -ον (Μ)
αυτός που έχει παρειές με χρώμα ίου, καλλιπάρειος.
[ΕΤΥΜΟΛ. < ἴον + -πάρειος (< παρειά), πρβλ. καλλι-πάρειος, λευκο-πάρειος].