LATIN: O Emmanuel, Rex et legifer noster, exspectatio gentium, et Salvator earum: veni ad salvandum nos Domine Deus noster.
ENGLISH: O Emmanuel, God with us, our King and lawgiver, the expected of the nations and their Savior: come to save us, O Lord our God. (From Catholic Online)
Isaiah foretold that “The Lord himself will give you this sign: the Virgin shall be with child, and bear a son, and shall name him Emmanuel.” (7:14). Remember “Emmanuel” means “God is with us.” (From Catholic Education Resource Network)
Of some note, according to Professor Robert Greenberg, we get an amazing message if we take the first letters of the titles backward in the Latin. They spell out Ero Cras, or “Tomorrow, I will come.” And, indeed, tomorrow Christ does come!