μονοήμερος
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,
A = μονήμερος, in one day, Batr.303. II curing in one day, of remedies, Gal.12.712, al., Aët.7.103; requiring one day, of alchemical operations, Zos. Alch.p.140 B. III σκευὴ ἄγουσα (sc. δαίμονας) μονοημέρους on the selfsame day, PMag.Par.1.2442.