purge
From LSJ
ὡς μήτε τὰ γενόμενα ἐξ ἀνθρώπων τῷ χρόνῳ ἐξίτηλα γένηται → in order that so the memory of the past may not be blotted out from among men by time
English > Greek (Woodhouse)
v. trans.
P. and V. καθαίρειν, ἐκκαθαίρειν, V. ἁγνίζειν, νίζειν, Ar. and P. διακαθαίρειν. See also wipe away. In medical sense: P. καθαίρειν.