Etymology

Diffey

D2I1F4F4E1Y4

Today it means: A surname transferred from the nickname [in turn from Anglo-Norman]. Full definition →

Anglo-Norman defieu
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The story

  1. Anglo-Norman · derived fromdefieu“faithless, disloyal”
  2. English todayDiffey

Perhaps a nickname from Anglo-Norman defieu (“faithless, disloyal”).

Etymology from Wiktionary, CC BY-SA 4.0.