ἄκλιτος
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)
ον, Gramm.,
A indeclinable, D.T.641.23, A.D.Synt.30.10; Ael. Dion. wrote περὶ ἀκλίτων ῥημάτων. Adv. ἀκλίτως, ἔχειν Eust. 162.32. 2 Math., = ἀκλινής, Procl.in Euc.p.290F. 3 stable, Iamb.Myst.1.15.