: The first part is drawn from Isaiah 6:3 , where seraphim (six-winged angels) cry these words while surrounding God's throne.
The phrase (Latin for "Holy Lord") is a central pillar of Christian liturgy and artistic history, primarily known through the Sanctus hymn. It serves as a bridge between the physical and the divine, uniting worshippers with the "heavenly host". Biblical and Liturgical Foundations Sanctus Dominus
The full liturgical text, “Sanctus, Sanctus, Sanctus, Dominus Deus Sabaoth” ("Holy, Holy, Holy, Lord God of hosts"), combines ancient visions from both the Old and New Testaments: : The first part is drawn from Isaiah
In the , the Sanctus is positioned at the conclusion of the Preface and immediately before the Eucharistic Prayer . Theologically, this "thrice-repeated" acclamation emphasizes God's absolute purity and transcendence. Historical Development Learn the Sanctus | FREE Latin Learning Guide Dominus Deus Sabaoth” ("Holy
: It also echoes Revelation 4:8 and Matthew 21:9 , specifically the "Hosanna" and "Benedictus" ("Blessed is he who comes in the name of the Lord") shouted during Jesus’ entry into Jerusalem.