ολόλαμπρος

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

-η, -ο (Α ὁλόλαμπρος, -ον)
πολύ λαμπρός, λουσμένος στο φως, ολοφώτεινος, κατάφωτος.