Undergone adverbs are provided in this article. The words listed here are commonly found along with the verb undergone in sentences. This reference page helps answer the question what are some adverbs that describe or modify the verb UNDERGONE.
actually, certainly
evidently, gradually
lately, previously
probably, recently
subsequently, voluntarily
Hope this word list had the undergone adverb you were looking for. In addition to adverbs used with undergone, other example verb adverb pairings can be found on this site.
You can help by adding more adverbs in the comments. Thanks.