Strong's G2512 — καθαρισμός (noun)
katharismos (kath-ar-is-mos') n.
1. a washing off
2. (ceremonially) ablution, (morally) expiation
[from G2511]
KJV: cleansing, + purge, purification(-fying) 
Root(s): G2511 
Hebrew root: καθαρίζω
Occurrences: 7