the Latin, , "to sprinkle"). This ceremony dates back to the 9th century. An "aspergill" or aspergillum is a brush or branch used to sprinkle the water. An is the vessel which holds the holy water and into which the aspergillum is dipped, though elaborate Ottonian examples are known as . Blessed salt may be added to the water where it is customary to do so. The Catholic Church teaches this use of holy water and making a sign of the cross when entering a church reflects a renewal of baptism, a cleansing of venial sin, as well as providing protection against evil. It is sometimes accompanied by the following prayer: Some Catholics believe that water from specific shrines (such as Lourdes) can bring healing - although that water is not the same as typical holy water found in parishes, since it has not been blessed by a priest. Formula The traditional Latin formula for blessing the water is as follows: A priest may choose from three other formulae found in the Book of Blessings for blessing water. They are to be accompanied by the priest blessing the water with the sign of the cross. They are as follows: V. Blessed are you, Lord, all-powerful God, who in Christ, the living water of salvation, blessed and transformed us. Grant that when we are sprinkled with this water or make use of it, we will be refreshed inwardly by the power of the Holy Spirit and continue to walk in the new life we received at Baptism. We ask this though Christ our Lord. R. Amen. V. Lord, holy Father, look with kindness on your children redeemed by your Son and born to a new life by water and the Holy Spirit. Grant that those who are sprinkled with this water may be renewed in body and spirit and may make a pure offering of their service to you. We ask this through Christ our Lord. R. Amen. V. O God, the Creator of all things, by water and the Holy Spirit you have given the universe its beauty and fashioned us in your own image. R. Bless and purify your Church. V. O Christ the Lord, from your pierced side you gave us your sacraments as fountains of salvation. R. Bless and purify your Church. V. Priest: O Holy Spirit, giver of life, from the baptismal font of the Church