undergo
v.v. to experience something, especially a change or a process that is difficult or necessary.
v. to experience or be subjected to something, typically a process that is unpleasant, difficult, or transformative.
The old building will undergo major repairs next month.
New recruits must undergo a series of physical tests before they can join the police force.
The aerospace industry has had to undergo significant structural changes to remain competitive in an era of rising fuel costs and stricter environmental regulations.
From Middle English undergon, from Old English undergān (“to undergo, undermine, ruin”), equivalent to under- + go. Cognate with Dutch ondergaan (“to undergo, perish, sink”), German untergehen (“to perish, sink, undergo”), Swedish undergå (“to undergo, go through”).
The verb is transitive and requires a direct object; it is frequently used in the passive voice.
he underwent to surgeryhe underwent surgeryUndergo is a transitive verb and takes a direct object without a preposition.