περιφλεγῶς

From LSJ

ὀφθαλμοὶ γὰρ τῶν ὤτων ἀκριβέστεροι μάρτυρες → the eyes are more accurate witnesses than the ears, the eyes are more exact witnesses than the ears

Source

French (Bailly abrégé)

adv.
ardemment.
Étymologie: περιφλεγής.

Russian (Dvoretsky)

περιφλεγῶς: жгуче, т. е. мучительно (διψῆσαι Plut.).