ἀβελτερεύομαι
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)
play the fool, Epicur.Nat.89G.
Spanish (DGE)
hacer el tonto μάχεταί τινι ... ὡς ... ἀβελτ[ε] ρευομένῳ discute con alguien como si el otro fuera tonto Epicur.Fr.[34] 28.7.