Genesis 5:2

male and female created he them, and called their name Adam in the day when they were created. The author here goes back to the history of the creation, Genesis 1:27. God created man male and female, and gave him the blessed knowledge of Himself, as well as perfect righteousness and holiness, besides other external advantages which are often included in this image. And even at that time God called man by that name; Adam bore the name "man" and Eve that of "woman," or "maness. "