πέραθεν
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)
Adv., (πέρα)
A from beyond, from the far side, E.Heracl.82 (lyr.), X.HG3.2.2 : Ion. πέρηθε Hdt.6.33 ; πέρηθεν τοῦ Εὐφρήτεω Luc.Syr.D.13.