δυσνόητος
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)
ον,
A hard to be understood, Dariusap. D.L. 9.13, 2 Ep.Pet.3.16; χρησμοί Luc.Alex.54. II Act., slow of understanding, Vett.Val.345.26.