erysisceptrum
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
Latin > English (Lewis & Short)
ĕrysiscēptrum: i, n., = ἐρυσίσκηπτρον>,
I a low thorny shrub, also called adipsatheon, Plin. 24, 13, 69, § 112 al.; App. Herb. 109.