Webster's Revised Unabridged Dictionary · 1913

Undergo

Undergo , transitive verb

[Anglo-Saxon undergān. See Under, and Go.]

1.
To go or move below or under. [Obsolete]
2.
To be subjected to; to bear up against; to pass through; to endure; to suffer; to sustain; as, to undergo toil and fatigue; to undergo pain, grief, or anxiety; to undergothe operation of amputation; food in the stomach undergoes the process of digestion.
Certain to undergo like doom. — Milton
3.
To be the bearer of; to possess. [Obsolete]
Their virtues else, be they as pure as grace, As infinite as man may undergo. — Shakespeare
4.
To undertake; to engage in; to hazard. [Obsolete]
I have moved already Some certain of the noblest-minded Romans To undergo with me an enterprise. — Shakespeare
5.
To be subject or amenable to; to underlie. [Obsolete]
Claudio undergoes my challenge. — Shakespeare