Encyclopedia of word and phrase origins

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• Encyclopedia of Word and Phrase Origins: Definitions and Origins of more than 15000 Words and Expressions
  gan: Hendrickson, Robert
  Cyhoeddwyd: (2012)
• Encyclopedia of word and phrase origins /
  gan: Hendrickson, Robert
  Cyhoeddwyd: (2008)
• Oxford dictionary of word origins
  gan: Cresswell, Julia;ed
  Cyhoeddwyd: (2010)
• Encyclopaedia of word and phrase origins
  gan: Robert Hendrickson
  Cyhoeddwyd: (2005)
• Origins: An Etymological Dictionary of Modern English
  gan: Partridge, Eric
  Cyhoeddwyd: (1966)