ἀκιβδήλως
From LSJ
ἔκστασίς τίς ἐστιν ἐν τῇ γενέσει τὸ παρὰ φύσιν τοῦ κατὰ φύσιν → what is contrary to nature is any developmental aberration from what is in accord with nature (Aristotle, On the Heavens 286a19)
French (Bailly abrégé)
adv.
sans altération, avec pureté.
Étymologie: ἀκίβδηλος.
Russian (Dvoretsky)
ἀκιβδήλως: в чистом виде, без примеси Isocr.