The angel answered her, "The Holy Spirit will come on you, and the power of the Most High will overshadow you. Therefore also the holy one who is born from you will be called the Son of God.
לשון expressive of the act of marriage, or taking to wife. The phrase of being מטללין ברוח נבואה "overshadowed", or "covered with the spirit of prophecy", as the virgin also was, is used by the Targumist, on 1 Chronicles 2:55