στύπος
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)
[ῠ], εος, τό,
A stem, stump, block, στιβαρὸν σ. ἀμπέλου A.R.1.1117; pl., Plb.1.48.9, 21.27.4; also = κύτος, σ. ὅλμου Nic.Th.951, Al.70.
στύπος,=
A στύππη, κάλοι ἀπὸ στύπου Gal.19.126.
German (Pape)
[Seite 959] εος, τό, Stock, Stange, Stengel, Stiel, stipes, Schol. Ap. Rh. 1, 1117; στύπη δρύϊνα, Pol. 22, 16, 4; Nic. Ther. 952; Al. 70, ὅλμου στύπος = κύτος.