What Is This Sacrament Called? ccc 1214-1215

1214 This sacrament is called Baptism, after the central rite by which it is carried out: to baptize (Greek baptizein) means to "plunge" or "immerse"; the "plunge" into the water symbolizes the catechumen's burial into Christ's death from which he rises up by resurrection with him, as "a new creature."

1215 The sacrament is also called "the washing of regeneration and renewal by the Holly Spirit," for it signifies and actually brings about the birth of water and the Spirit without which no one "can enter the kingdom of God."