na.har describes becoming radiant, most clearly in the address of Isaiah 60:5.

The attested use presents radiance most clearly in Isaiah 60:5, where the feminine singular form occurs in an address whose APB rendering says, “you will see and be radiant.” Psalm 34:6 has a plural form, but the translation does not isolate its contribution within the verse.

1. Becoming radiant · dominant

   In Isaiah 60:5, the Qal sequential perfect feminine singular form occurs in the address to “you”; the APB renders the clause, “Then you will see and be radiant.” In Psalm 34:6, the Qal perfect plural form is present, though the APB instead presents the verse as “This poor man cried,” so the term's specific contribution is not isolated there.

   Isaiah 60:5Psalm 34:6

In the Anselm Project Bible: The APB explicitly includes “be radiant” in Isaiah 60:5. In Psalm 34:6 it does not provide a clearly corresponding English expression.