eighth day - The law (Gen 17:12) was observed, even though the eighth day after birth should be a sabbath (Joh 7:23; and see Phi 3:5).
called him - literally, “were calling” - that is, (as we should say) “were for calling.” The naming of children at baptism has its origin in the Jewish custom at circumcision (Gen 21:3, Gen 21:4); and the names of Abram and Sarai were changed at its first performance (Gen 17:5, Gen 17:15).