bᵊlāʾ בְּלָא ‘to wear out’ (Aramaic)

Etymology^?: corresponding to bālā בָּלָה ‘to become old’ ( but used only in a mental sense)
Roots: בלה

bᵊlāʾ v
1) (Pael) to wear away, wear out
 1a) to harass constantly (fig.)