noun
effort
EF-ert/ˈefərt/
Physical or mental work directed toward achieving something.
Pushing the loaded wheelbarrow uphill takes considerable effort from the woman.

Etymology
The pieces suggest bringing strength out into action. The historical verb meant “exert oneself,” connecting strength with the physical or mental energy spent on a task.
In context
Most tasks depended on human strength and careful technique. Sweeping required physical effort. Scrubbing required endurance. Carrying water required strength.
More examples
- She puts considerable effort into planning each lesson.
- Pushing the cart uphill requires extra effort.
- Our combined efforts keep the neighborhood clean.
Forms
effort · efforts
effortless adjective — Requiring little or no physical or mental work.