σφαλερῶς
From LSJ
οὐκ ἔστ' ἀλώπηξ ἡ μὲν εἴρων τῇ φύσει ἡ δ' αὐθέκαστος → foxes are not one of a treacherous nature and the other straightforward, the nature of foxes is not for one to be treacherous and the other straightforward
French (Bailly abrégé)
adv.
d'une manière peu sûre ou dangereuse.
Étymologie: σφαλερός.
Russian (Dvoretsky)
σφᾰλερῶς: ненадежным образом Eur., Isocr.