Where does “Vili” come from?

Vili (Finnish) comes from Finnish Viljami, 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, from Proto-Germanic helmaz — to pierce, strike; to stick; prick; stab.

Ancestry of “Vili”, step by step

Vili traces back through 3 separate lines of ancestry.

via Finnish Viljami

StepLanguageWordMeaning
1FinnishViljami—
2Englishwilliamradiotelephony clear-code word for the letter W
3Middle EnglishWilliam—
4Anglo-NormanWillame—
5Old High GermanWillahelmWilliam
6Old High Germanhelmhelmet
7Proto-West Germanichelmhelmet
8Proto-Germanichelmazhelmet
9Proto-Germanichalmazhalm; stem; stalk; straw; hay
10Proto-Indo-Europeanḱolh₂mosstalk
11Proto-Indo-Europeanḱelh₂-to pierce, strike; to stick; prick; stab

via Finnish Vilho

StepLanguageWordMeaning
1FinnishVilho—
2FinnishVilhelmWilliam of foreign historical persons
3SwedishVilhelm—

via English William

StepLanguageWordMeaning
1EnglishWilliamradiotelephony clear-code word for the letter W
Every word from Proto-Indo-European ḱelh₂- →Every word from Proto-Indo-European ḱolh₂mos →Every word from Proto-Germanic halmaz →