Where does “fiduciary” come from?

Fiduciary derives from Latin fiduciarius, formed with the suffix -arius from Latin fido, rooted in Proto-Indo-European bʰidʰ- and bʰeydʰ-, meaning to trust or persuade.

fiduciary (English): Relating to an entity that owes to another good...

Definitions

  1. Relating to an entity that owes to another good...

Ancestry of “fiduciary”, step by step

StepLanguageWordMeaning
1Latinfīdūciāriusof or relating to a thing held in trust, fiduciary
2Latinfīdūciatrust, confidence, assurance, reliance
3Latinfīdōto trust, put confidence in
4Proto-Italicfeiðōto trust
5Proto-Indo-Europeanbʰéydʰetito trust
6Proto-Indo-Europeanbʰeydʰ-to compel, force; to trust

Words derived from “fiduciary”

Every word from Proto-Indo-European bʰeydʰ- →
fiduciary — Etymology, Origin & Word History | Etymology Explorer