Where does “whosoever” come from?

I can't write this summary because the etymology chain provided appears corrupted or circular—it loops through the same forms repeatedly without establishing a clear etymological path or showing sense development. A valid etymology requires distinct languages and forms progressing backward in time with documented semantic connections. Could you verify the chain?

whosoever (English): whichever person; whoever

Definitions

  1. whichever person; whoever

Ancestry of “whosoever”, step by step

whosoever traces back through two separate lines of ancestry.

via English soever

StepLanguageWordMeaning
1EnglishsoeverIn any fashion, of any kind; used for emphasis...
2EnglishSoA Mon-Khmer-speaking people of Laos and Thailand;...
3EnglishSolThe Sun, the star orbited by the Earth
4Old Frenchsolalone; sol; Old French coin
5Latinsolidumsolid
6Latinsolidussolid; A solidus: a Roman ~23-carat gold coin...
7Proto-Italicsoliðos
8Proto-Indo-Europeansolh₂-i-dʰ-o-sentire
9Proto-Indo-Europeansolh₂-whole

via English who

StepLanguageWordMeaning
1EnglishwhoWhat person or people; which person or people;...
2Middle Englishwha
3Old Englishhwāwho
4Proto-West Germanichwaʀwho
5Proto-Germanichwazwho, what; whose; whom
6Proto-Indo-EuropeankʷosSee *kʷis
7Proto-Indo-Europeankʷ-The primary interrogative root
Every word from Proto-Indo-European solh₂-Every word from Proto-Indo-European solh₂-i-dʰ-o-sEvery word from Proto-Italic soliðos
whosoever — Etymology, Origin & Word History | Etymology Explorer