Etymology

Diederik

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Today it means: A male given name from Dutch. Full definition →

Middle Dutch Diederic ← Old Dutch *Thiodarīk ← Frankish *Theodarīk
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The story

  1. Proto-Germanic · derived from*Þeudarīks
  2. Frankish · derived from*Theodarīk
  3. Old Dutch · derived from*Thiodarīk
  4. Middle Dutch · derived fromDiederic
  5. English todayDiederik

Of Dutch origin, from Middle Dutch Diederic, from Old Dutch *Thiodarīk, from Frankish *Theodarīk, ultimately from Proto-Germanic *Þeudarīks. Compare with Derek, Theodoric.

Etymology from Wiktionary, CC BY-SA 4.0.