ἡδυπορφύρα
From LSJ
Ποιητὴς, ὁπόταν ἐν τῷ τρίποδι τῆς Μούσης καθίζηται, τότε οὐκ ἔμφρων ἐστίν → Whenever a poet is seated on the Muses' tripod, he is not in his senses
English (LSJ)
[ῠ], ἡ, a kind of πορφύρα, Arist.Fr.304.
German (Pape)
[Seite 1154] ἡ, eine Art Purpurschnecke, Ath. III, 88 b, aus Arist. H. A.