Arcana Coelestia # 1218
1218. That by “Shem” is here signified the Ancient Church in general, is evident from the fact that the subject here treated of is Eber, whom Shem now bears reference to; and from his being called in this verse “the elder brother of Japheth.”
Genesis 10:20
20
These are the sons of Ham, after their families, after their languages, in their lands, in their nations.