im.ma.nu.el is used as a proper name, given to a child and addressed in relation to Judah's land.

The attested use is a proper name: Isaiah 7:14 presents it as the name to be called for a son, while Isaiah 8:8 addresses it in connection with the breadth of Judah's land.

1. Proper name in naming and address · dominant

   In Isaiah 7:14, the form is tagged Noun · Proper and occurs in the clause where a young woman bears a son and calls his name Immanuel; the APB renders this as “shall call his name Immanuel.” In Isaiah 8:8, the same proper-noun form occurs in an address tied to “your land,” which the APB ends with “Immanuel.”

   Isaiah 7:14Isaiah 8:8

In the Anselm Project Bible: The APB presents the term as “Immanuel” in both verses: first as the name given to a son and then as an address after “your land.” It does not establish further lexical nuance.