Treasury of Scripture Knowledge
But the angel said to him, "Do not be afraid Zacharias, for your earnest prayer has been heard. Your wife Elizabeth will give birth to a son and you will name him John.
Eight days later it was time to circumcise Jesus [i.e., to perform the Jewish rite of identity, signifying the responsibility to observe the law of Moses], and they named Him Jesus, which was the name given by the angel before He was [even] conceived.
She is going to have a son and you should name Him Jesus, for He is the One who will save His people from their sins."