Where does “affidavit” come from?

Affidavit comes from Medieval Latin affidavit, from Latin affido meaning to trust or pledge, composed of the prefix ad- and a root related to Proto-Indo-European bʰeydʰ- meaning to trust or persuade.

affidavit (English): A signed document wherein an affiant makes a...

Definitions

  1. A signed document wherein an affiant makes a...

Ancestry of “affidavit”, step by step

StepLanguageWordMeaning
1Medieval Latinaffidavithe has sworn; third-person singular perfect...
2LatinaffidoI swear, I promise fidelity
3Latinad-to; usually prefixed to verbs, in which cases it...
4Latinīn-un-, non-, not
5Latinînin, at, on, upon, from (space)
6Latinenlookǃ beholdǃ; reallyǃ?; come onǃ
7Proto-Italicenin
8Proto-Indo-Europeanh₁énin

Words derived from “affidavit

Every word from Proto-Indo-European h₁én
affidavit — Etymology, Origin & Word History | Etymology Explorer