undergo
UK: ˌʌndəˈɡəʊ | US: ˌʌndərˈɡoʊ
vt. to experience or endure something (often difficult or unpleasant)
vt. to be subjected to a process or treatment
The word undergo combines under (suggesting submission or position beneath) and go (implying movement or progression). Historically, it evolved from the idea of "passing beneath" or "being subjected to" an experience, often with a connotation of endurance. By the 14th century, it solidified into its modern sense of enduring a process or hardship.
Patients must undergo surgery to remove the tumor.
The bridge will undergo repairs next month.
She had to undergo rigorous training for the competition.
The material undergoes chemical changes under high pressure.
Many immigrants undergo significant cultural adjustments.