il.leg describes people whose tongue is portrayed as moving from stammering toward clear speech.

The term is used of stammerers, specifically in a clause where their tongue is said to hasten toward clear speech.

1. People marked by stammering · dominant

   In Isaiah 32:4, the masculine plural adjective qualifies those whose “tongue” is in view; the APB renders the clause, “the tongue of stammerers will hasten to speak clearly.”

   Isaiah 32:4

In the Anselm Project Bible: In Isaiah 32:4, the APB presents the group as “stammerers” and describes their tongue as coming to speak clearly.