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
lymphor: ōris, m. id.,
I water: impermixtum lymphorem, Lucil. ap. Non. 212, 4.
lymphŏr,¹⁶ ōris, m. [arch.], c. lympha : Lucil. d. Non. 212, 4.
*lymphor, oris. m. :: 水
