ἀροτός
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 (LSJ)
ή, όν,
A arable, Theognost.Can.95. II ἀροτόν· τὸν ὁλκὸν τοῦ Ἕκτορος ἢ τὸ ἀντίσταθμον A.Fr.270 (ap. Hsch.).