whithersoever
To what place soever; wherever.
archaic
And a certaine Scribe came, and ſaid vnto him, Maſter, I will follow thee whitherſoeuer thou goeſt.
Where it comes from
Inherited from Middle English whidersoevere. By surface analysis, whither + so + -ever.
Adapted from the Wiktionary entry whithersoever (CC BY-SA 4.0).