Vous avez cherché: kutakasika (Swahili - Anglais)

basi tulitaka mola wao mlezi awabadilishie aliye bora zaidi kuliko huyo kwa kutakasika, na aliye karibu zaidi kwa huruma.
"so we desired that their lord would give them in exchange (a son) better in purity (of conduct) and closer in affection.

watu waliokuwa najisi kidini waliweza kutakasika na kuwa safi waliponyunyiziwa damu ya mbuzi na ya ng'ombe pamoja na majivu ya ndama.
for if the blood of bulls and of goats, and the ashes of an heifer sprinkling the unclean, sanctifieth to the purifying of the flesh:

yesu akamwamuru: "usimwambie mtu yeyote; bali nenda ukajionyeshe kwa kuhani, ukatoe sadaka kwa ajili ya kutakasika kwako kama inavyotakiwa na sheria ya mose, iwe uthibitisho kwao kwamba umepona."
and he charged him to tell no man: but go, and shew thyself to the priest, and offer for thy cleansing, according as moses commanded, for a testimony unto them.