[ 'kaθα: ]
■ noun ( plural ~s or ~i -ri ) a member of a heretical medieval Christian sect which sought to achieve great spiritual purity.
Derivatives
~ism noun
~ist noun & adjective
Origin
C17: from med. L. ~i (plural), from Gk katharoi 'the pure'.
[ 'kaθα: ]
■ noun ( plural ~s or ~i -ri ) a member of a heretical medieval Christian sect which sought to achieve great spiritual purity.
Derivatives
~ism noun
~ist noun & adjective
Origin
C17: from med. L. ~i (plural), from Gk katharoi 'the pure'.
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004