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
cicuma cicumae N F :: owl
cicuma, ae, f. (κικυμίς), die Nachteule, Coroll. b. Festus p. 381, 1 M. – Nbf. caecuma, Gloss. IV, 217, 5 u. ö.
cĭcŭma, æ, f. (κικυμίς), chouette : P. Fest. 39.