ἐθελουσίως
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
French (Bailly abrégé)
adv.
volontairement.
Étymologie: ἐθελούσιος.
Spanish
por propia voluntad, espontáneamente
Russian (Dvoretsky)
ἐθελουσίως: Xen. = ἐθελοντηδόν: по своей воле, добровольно.