Etymology

research

re·search
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Today it means: Diligent inquiry or examination to seek or revise facts, principles, theories, applications, etc. (that are currently available, or that are familiar to oneself). Full definition →

French rechercher ← Old French recerchier
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The story

  1. Old French · derived fromrecerchier“to seek, to look for”
  2. French · derived fromrechercher“to examine closely”
  3. English todayresearch

Early Modern French rechercher (“to examine closely”), from Old French recerchier (“to seek, to look for”), by surface analysis, re- + search.

Etymology from Wiktionary, CC BY-SA 4.0.