A remnant shall escape or return (i.e., to God), a symbolical name which the prophet Isaiah gave to his son (Isa. 7:3), perhaps his eldest son.
Shear-Jashub
1 verse
Isaiah
Isaiah 7:3
Then said the LORD unto Isaiah, Go forth now to meet Ahaz, thou, and Shearjashub thy son, at the end of the conduit of the upper pool in the highway of the fuller's field;
From Easton's Bible Dictionary
Matthew George Easton, 1897