αἱμόρροος
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)
ον, contr. αἱμό-ρρους, ουν,
A flowing with blood, τρώματα Hp.Art.69; αἱ. φλέβες veins so large as to cause a haemorrhage if wounded, Id.Fract. 11, ubiv.Gal. 2 suffering from haemorrhoids, Hp.Epid.4.7. II as Subst., a serpent, whose bite makes blood flow from all parts of the body, Philum.Ven.21, Nic.Th.282; cf. αἱμορροΐς 111.