σύνηθες
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
Russian (Dvoretsky)
σύνηθες: τό привычка, обыкновение, навык, обычай Xen., Plat., Arst., Plut.: διὰ τὸ μὴ ξ. Plat. в силу непривычности.
