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
ἀρχιεταῖρος, ο (Α)
ο πρώτος ανάμεσα στους εταίρους, ο καλύτερος φίλος και σύντροφος.