ya.val denotes watercourses: on hills in one verse and beside growing vegetation in another.

The attested form denotes watercourses, appearing in a setting of water on high places and in a setting beside vegetation; both occurrences use the same masculine plural construct form.

1. Watercourses in the landscape · dominant

   Both occurrences use יִבְלֵי as a masculine plural construct noun. In Isaiah 30:25 the APB renders a landscape of high mountains and hills with “brooks running with water”; in Isaiah 44:4 it renders vegetation growing “upon streams of water.”

   Isaiah 30:25Isaiah 44:4

In the Anselm Project Bible: The APB presents the watercourse setting as “brooks running with water” in Isaiah 30:25 and “streams of water” in Isaiah 44:4. These phrases indicate the clauses' presentation rather than fixed individual renderings.