en_tn_condensed/mat/01/22.md

General Information:

The author quotes the prophet Isaiah to show that Jesus' birth was according to scripture. (See: rc://en/ta/man/translate/writing-background)

All this happened

The angel is no longer speaking. Matthew is now explaining the importance of what the angel said.

what was spoken by the Lord through the prophet

This can be stated in active form. Alternate translation: "what the Lord told the prophet to write long ago" (See: rc://en/ta/man/translate/figs-activepassive)

the prophet

There were many prophets. Matthew was speaking of Isaiah. Alternate translation: "the prophet Isaiah" (See: rc://en/ta/man/translate/figs-explicit)