Etymology

William

W4I1L1L1I1A1M3

Today it means: radiotelephony clear-code word for the letter W. Full definition →

Middle English William ← Anglo-Norman Willame ← Old High German Willahelm
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The story

  1. Proto-Germanic · derived from*wiljô“will”
  2. Proto-Germanic · derived from*Wiljahelmaz
  3. Old High German · derived fromWillahelm
  4. Anglo-Norman · derived fromWillame
  5. Middle English · inherited fromWilliam
  6. 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 →

Wilamowice

Proto-Germanic*wiljô all →

willwiln

Etymology from Wiktionary, CC BY-SA 4.0.