ταυροβόλιον
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)
τό,
A sacrificial slaughter of a bull, IGRom.4.494 (Pergam.), 499 (ibid.), IG22.4842.4; in Lat. form taurobolium, CIL10.1596 (Puteoli).