purge
From LSJ
Βίος κέκληται δ' ὡς βίᾳ πορίζεται → Vi quia paratur vita, vita dicitur → Weil's auf gewaltsamem Streben beruht, heißt's Lebensgut
P. and V. καθαίρειν, ἐκκαθαίρειν, V. ἁγνίζειν, νίζειν, Ar. and P. διακαθαίρειν. See also wipe away.
in medical sense: P. καθαίρειν.
