melisphyllum
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
Latin > English (Lewis & Short)
mĕlisphyllum: and mĕlisso-phyllon, i, n., = μελίφυλλον and μελισσόφυλλον (honey-leaf, bee-leaf), an herb of which bees are fond,
I balm-gentle, balm (also called apiastrum): trita melis phylla, et cerinthae ignobile gramen, Verg. G. 4, 63; Plin. 20, 11, 45, § 116; 21, 20, 86, § 149.
