The story
- Proto-Germanic · derived from*wiljô“will”
- Proto-Germanic · derived from*Wiljahelmaz
- Old High German · derived fromWillahelm
- Anglo-Norman · derived fromWillame
- Middle English · inherited fromWilliam
- English todayWilliam
From Middle English William, from Anglo-Norman Willame, from Old High German Willahelm, from Proto-Germanic *Wiljahelmaz (> Latin Gulielmus), from Proto-Germanic *wiljô (“will”) + *helmaz (“helmet”), ultimately from the Proto-Indo-European roots *welh₁- (“to choose, wish, want”) and *ḱel- (“to cover, conceal, save”), respectively. Cognate with Dutch Willem, German Wilhelm, etc.; cognate borrowings outside of Germanic include Guillaume and Guillermo.
Words from the same roots
Proto-Germanic*Wiljahelmaz all →
Etymology from Wiktionary, CC BY-SA 4.0.