Where does “fiducially” come from?

fiducially (English) comes from English fiducial, from Latin fiducialis, from Latin fīdūcia, from Latin fīdō, from Proto-Italic feiðō, from Proto-Indo-European bʰéydʰeti, from Proto-Indo-European bʰeydʰ- — to compel, force; to trust.

fiducially (English): With confidence

Definitions

  1. With confidence

Ancestry of “fiducially”, step by step

fiducially traces back through two separate lines of ancestry.

via English fiducial

StepLanguageWordMeaning
1EnglishfiducialAccepted as a fixed basis of reference; Based on...
2Latinfiducialis
3Latinfīdūciatrust, confidence, assurance, reliance
4Latinfīdōto trust, put confidence in
5Proto-Italicfeiðōto trust
6Proto-Indo-Europeanbʰéydʰetito trust
7Proto-Indo-Europeanbʰeydʰ-to compel, force; to trust

via English ly

StepLanguageWordMeaning
1EnglishlyAbbreviation of light-year
2VietnameselyAlternative spelling of li
Every word from Proto-Indo-European bʰeydʰ-Every word from Proto-Indo-European bʰéydʰetiEvery word from Proto-Italic feiðō