Genesis 17:10 is an important scriptural source about this action, and is usually interpreted as ordaining normally forbidden action on the Sabbath.  
Zipporah placed the central object of this action on Moses's feet, and God commanded Joshua to do his en masse at Gilgal.  One notable incident of this action is celebrated on a January 1 feast day in the Eastern Orthodox Church.  Genesis 17:10 is an important scriptural source about this action, and is usually interpreted as ordaining normally forbidden action on the Sabbath.  This practice is alternatively referred to as Taharah in Arabic, and is usually called Tihan.  Known as a bris milah in Judaism, it takes place on the eighth day after birth.  For 10 points, name this action, that when performed on Jesus, resulted in the Holy Prepuce's formation.
Zipporah placed the central object of this action on Moses's feet, and God commanded Joshua to do his en masse at Gilgal.  
circumcision