ἀκροσφαλῶς
From LSJ
λέγεις, ἃ δὲ λέγεις ἕνεκα τοῦ λαβεῖν λέγεις → you speak, but you say what you say for the sake of gain (Menander, fr. 776)
French (Bailly abrégé)
adv.
en chancelant : ἀκροσφαλῶς ἔχειν PLUT être enclin à tomber.
Étymologie: ἀκροσφαλής.