Question

which word means a thing accomplished with effort?

Explanation:

The term refers to something completed through deliberate effort, often a task or goal achieved with work. A common matching word is defined as a thing successfully finished after exertion.

Answer:

Feat (or Achievement, Accomplishment)
Note: "Feat" specifically emphasizes a thing accomplished with great effort; "Achievement" and "Accomplishment" are also valid, direct matches for the definition.