ολιγαύλαξ

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

Source

Greek Monolingual

ὀλιγαῡλαξ, -ακος και ὀλιγόλαυξ και δωρ. τ. ὀλιγῶλαξ, ὁ, ἡ (Α)
αυτός που περιλαμβάνει μικρή μόνο έκταση καλλιεργήσιμης γης.
[ΕΤΥΜΟΛ. < ὀλιγ(ο)- (βλ. λ. λιγο-) + αὖλαξ (πρβλ. πολυαύλαξ)].