CCC 1328

The inexhaustible richness of this sacrament is expressed in the different names we give it. Each name evokes certain aspects of it. It is called: Eucharist, because it is an action of thanksgiving to God. the Greek words eucharistein Cf. Lk 22:19; 1 Cor 11:24. and eulogein Cf. Mt 26:26; Mk 14:22. recall the Jewish blessings that proclaim - especially during a meal - God's works: creation, redemption, and sanctification.

Read the full chapter 1. The Sacraments of Christian Initiation ¶1212–1419