Etymology

Castelnau

C3A1S1T1E1L1N1A1U1

Today it means: A road and neighbourhood in Barnes, borough of Richmond upon Thames, Greater London, England (OS grid ref TQ2277). Full definition →

French Castelnau
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The story

  1. French · borrowed fromCastelnau
  2. French · borrowed fromCastelnau
  3. English todayCastelnau

Borrowed from French Castelnau. Apparently named after the 10th Baron of Castelnau and St Croix, who lived in Barnes after fleeing from France.

Etymology from Wiktionary, CC BY-SA 4.0.