Pax (liturgy)
SALUTATION IN CATHOLIC MASS
Pax vobiscum; Pax in the Liturgy; Pax vobis; Peace be with you; "Peace be within you!"
In Christian liturgy, "the Pax" is an abbreviation of the Latin salutations "pax vobis" ("peace to you") or "pax vobiscum" ("peace with you"), which are used in the Catholic Mass, the Lutheran Divine Service, and the Western Orthodox Mass.