ἀχάριτος
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)
[χᾰ], ον, = foreg.,
A unseemly, Plu.Sol.20; euphem., παθήματα ἀ. ἐόντα μαθήματα γέγονε Hdt.1.207. Adv. οὐκ -τως ἔφη Ath.7.281c, cf. Hermog.Id.2.11, D.C.66.9. 2 ungrateful, thankless, δῆμον εἶναι συνοίκημα ἀχαριτώτατον Hdt.7.156; χάρις ἀ. A.Ch.42 (lyr., Elmsl.), E.Ph.1757 (lyr.).