ισόπτωτος
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
ἰσόπτωτος, -ον (Α)
(για λέξεις) αυτός που έχει τον ίδιο αριθμό συλλαβών σε όλες τις πτώσεις, ισοσύλλαβος.
[ΕΤΥΜΟΛ. < ἰσ(ο)- + -πτωτος (< πτώσις), πρβλ. ετερό-πτωτος, μονό-πτωτος].