ἑσπερικός
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
ἑσπερικός: ή, όν ὁ τῆς ἑσπέρας, τῆς δύσεως, μῆλον ἑσπερικόν, παρὰ τοῖς Λίβυσι, = κιτρίον, Ἰόβας παρ’ Ἀθην. 83C.