θεοπροπέω
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)
A prophesy, but only in part. masc., θεοπροπέων ἀγορεύεις Il.1.109, cf. Od.2.184, Pi.P.4.190, A.R.2.922. II to be a θεοπρόπος 11, in Boeot. form θιοπρ-, IG7.3207 (Orchom.).