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
ἠέρος: Ἰων. καὶ Ἐπ. γεν. τοῦ ἀήρ.
see ἆήρ.
ἠέρος: Επικ. γεν. του ἀήρ.
