Etymology

fiduciary

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Today it means: Relating to an entity that owes to another good faith, accountability and trust, often in the context of trusts and trustees. Full definition →

Latin fīdūciārius
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The story

  1. Latin · derived fromfīdūciārius“held in trust”
  2. English todayfiduciary

From Latin fīdūciārius (“held in trust”), from fīdūcia (“trust”).

Etymology from Wiktionary, CC BY-SA 4.0.