permodicus
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)
per-mŏdĭcus: a, um, adj.,
I very moderate, very small: locus, Suet. Aug. 6: res familiaris, id. Tib. 47: dos, Dig. 11, 7, 20: numerus, Vulg. 2 Par. 24, 24.—Adv.: per-mŏdĭcē, very little, Col. 5, 11, 7.
Latin > French (Gaffiot 2016)
permŏdĭcus,¹⁵ a, um, très mesuré, très peu étendu : Suet. Aug. 6