ἐκπόρπισις
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)
εως, ἡ, (πόρπη) lit., unfastening, hence μετ' ἐκπορπίσεως, of a compound fracture, Sor.Fract.24.