verb
expend
ik-SPEND/ɪkˈspend/
Use up resources for a purpose.
The woman expends her remaining coins on groceries at the shop.

Etymology
“Out” and “weigh” combine in the image of weighing out money for payment. This financial sense extends to spending or using up other resources, including energy and time.
In context
If there were an internal-force-realm apothecary willing to expend his internal force, spending one hour each day channeling energy to treat your father, then after several months, he could also be cured.
More examples
- She expends considerable effort keeping the garden healthy.
- We expended our emergency funds on repairs.
- They avoid expending time on tasks that do not matter.
Forms
expend · expends · expended · expending
expenditure noun — The act of spending money or resources.