λαγοθήρας
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)
ου, ὁ,
A hare-hunter, in voc. -θηρᾰ or -θῆρᾰ AP9.337 (Leon.). II a kind of eagle, Hsch.