Kunatsa (Refining in English) zvinoreva kuchenesa simbi kunobvisa manyara asingadiwe musimbi iyi. Simbi dzinonatswa nenzira dzakasiyana dzinosanganisira: kunyautsa nemoto; kunyunguditsa nekupatsanura zvine huduma hwakasiyana; kuchenesa nenzira dzinotsauranisa nemagetsi.

  • Herero vanoti okukoha (purification). Mamwe mazwi: koha kana kohora (purify; purge). [Ou-kohoke (purity).
  • Saghala vanoti kuelesa (v. purify).