ἀλκάεις
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
English (Slater)
ἀλκᾱεις
1 valiant ἀλκάεντας Δαναοὺς τρέψαις (O. 9.72) ἀλκάεντας Ἡρακλέος ἐκγόνους Αἰγιμιοῦ τε (P. 5.71) ἀλκάεσσά τε Παλλάδος αἰγὶς Δ. 2. 17.
