Where does “威爾遜” come from?

威爾遜 (Chinese) comes from English Wilson, from English Will, from English william, from Middle English William, from Anglo-Norman Willame, from Old High German Willahelm, from Old High German helm, from Proto-West Germanic helm — to pierce, strike; to stick; prick; stab.

Ancestry of “威爾遜”, step by step

StepLanguageWordMeaning
1EnglishWilsonOS grid ref SK4024
2EnglishWillA weak-side linebacker
3Englishwilliamradiotelephony clear-code word for the letter W
4Middle EnglishWilliam
5Anglo-NormanWillame
6Old High GermanWillahelmWilliam
7Old High Germanhelmhelmet
8Proto-West Germanichelmhelmet
9Proto-Germanichelmazhelmet
10Proto-Germanichalmazhalm; stem; stalk; straw; hay
11Proto-Indo-Europeanḱolh₂mosstalk
12Proto-Indo-Europeanḱelh₂-to pierce, strike; to stick; prick; stab
Every word from Proto-Indo-European ḱelh₂-