What does underwent mean?

"Underwent" is the past tense and past participle of the verb "undergo." It means to experience or suffer something, especially something unpleasant or difficult.

Here are some examples:

* She underwent surgery to remove a tumor.

* The country underwent a period of economic hardship.

* The athlete underwent rigorous training to prepare for the competition.

In simpler terms, "underwent" means "went through" or "experienced."

It's often used when talking about:

* Medical procedures: like surgery, chemotherapy, or physical therapy.

* Difficult or challenging situations: like a crisis, a period of grief, or a major life change.

* Processes of change: like a transformation, a transition, or a period of growth.