ἀδύνατον καὶ οὐκ ἀνθρώπειον → not for man to attempt
perlĭbenter: adv., v. perlibet.
perlĭbentĕr (-lŭ-), très volontiers : Cic. Att. 8, 14, 2.
perlibenter vel perlubenter. adv. :: 甚情願