πολυπόδιον
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, Dim. of πολύπους, f.l. in Philox.2.13, cf. Arist.HA550a4, 622a23. II polypody, Polypodium vulgare, Thphr.HP9.13.6, Dsc.4.186, etc.
German (Pape)
[Seite 669] τό, 1) dim. von πολύπους; Arist. H. A. 5, 18. 9, 37; Ath. VII, 317 d. – 2) Farrenkraut, polypodium, Theophr., Diosc.
Greek (Liddell-Scott)
πολῠπόδιον: τό, ὑποκορ. τοῦ πολύπους, Φιλόξ. παρ’ Ἀθην. 147Β, Ἀριστ. π. τὰ Ζ. Ἱστ. 5. 18, 3., 9. 37, 25. ΙΙ. εἷδος πτερίδος, Θεοφρ. π. Φυτ. Αἰτ. 9. 13, 6, Διοσκ. 4. 188, κτλ.
Russian (Dvoretsky)
πολυπόδιον: τό маленький полип Arst.