When it is said
The priest says it on the 40th day after a birth, after the first prayer over the mother and her baby.
Of the prayers on that day, it is the one for the mother alone.
Where it comes from
No author known
Where it comes from
It belongs to the prayers for a mother 40 days after a birth in the Book of Needs, the priest’s book of services for life’s big moments. No writer is named, and Jacques Goar printed it in his Greek edition in Paris in 1647. The Greek form runs a little longer and also asks that she may glorify God’s name with the people in church.
J. Goar, Euchologion sive Rituale Graecorum (Paris, 1647); The Slavonic Book of Needs on Azbyka.ru, with the Greek ending in a note
Why after 40 days
Metropolitan Saba of the Antiochian Archdiocese explains that in the past the 40 days gave the mother time to recover from the birth and were kept for the good of the baby. The number follows the Law of Moses, which Mary and Joseph kept when they brought the infant Jesus to the Temple (Luke 2:22).
Metropolitan Saba (Isper), Service of Entering the Newborn into the Church after Forty Days
What the words mean
Why it speaks of washing
The prayer asks Christ to wash the mother in body and soul before she receives Communion. The priest asks the same for himself. At every baptism he prays silently, “wash me from the defilement of my body and from the stain of my soul,” and in the Greek the two prayers use the very same words.
G. V. Shann, Book of Needs (1894), the Office of Holy Baptism; Euchologion to Mega (Venice, 1862)
The Scripture in it
This is a trustworthy saying, worthy of full acceptance: Christ Jesus came into the world to save sinners, of whom I am the worst.
And when the time of purification according to the Law of Moses was complete, His parents brought Him to Jerusalem to present Him to the Lord
Bible text: Berean Standard Bible, public domain.
In Church Slavonic
Господи Боже наш, пришедый на спасение рода человеческаго,
прииди и на рабу Твою, имярек,
и сподоби ю честным Твоим пресвитерством, входа храма славы Твоея:
омый ея скверну телесную и скверну душевную
во исполнении четыредесяти дний:
творяй ю достойну и причащения честнаго Тела и Крове Твоея.
Яко освятися и прославися пречестное имя Твое,
со Отцем и Святым Духом,
ныне и присно, и во веки веков, аминь.
From the Slavonic Book of Needs (Trebnik), Prayer for the mother of the child, on Azbyka.ru.