"Catechesis (/\u02CCk\u00E6t\u0259\u02C8ki\u02D0s\u026As/; from Greek: \u03BA\u03B1\u03C4\u03AE\u03C7\u03B7\u03C3\u03B9\u03C2, \"instruction by word of mouth\", generally \"instruction\") is basic Christian religious education of children and adult converts to Christianity."@en . . .