Etymology

lapalissade

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Today it means: An obvious, self-evident truth, especially humorously so; a tautology or truism. Full definition →

French lapalissade
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The story

  1. French · borrowed fromlapalissade
  2. English todaylapalissade

From French lapalissade, equivalent to Jacques de la Palice (a French nobleman and military officer) + -ade; see Lapalissian for more.

Etymology from Wiktionary, CC BY-SA 4.0.