ἀοιδομάχος
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)
[ᾰ], ον,
A fighting with verses, λογολέσχαι AP11.140 (Lucill.).
German (Pape)
[Seite 272] mit Dichterstellen einander bekämpfend, Lucill. 28 (XI, 140).
Greek (Liddell-Scott)
ἀοιδομάχος: [ᾰ], -ον, ἐπὶ γραμματικῶν, ὁ ἐρίζων περὶ λέξεων καὶ στίχων ποιητικῶν, «τούτοις τοῖς παρὰ δεῖπνον ἀοιδομάχοις λογολέσχαις, τοῖς ἀπ’ Ἀριστάρχου… σήμερον οὐ δειπνῶ μῆνιν ἄειδε θεὰ» Ἀνθ. Π. 11. 140.