Where does “proof” come from?

Proof comes from Middle English proof, from Old French prove, from Late Latin proba, from Latin probare meaning "to assay or test," derived from Latin probus meaning "good or honest," ultimately from Proto-Indo-European roots per- and bʰuH-.

proof (English): An effort, process, or operation designed to...

Definitions

  1. An effort, process, or operation designed to...

Ancestry of “proof”, step by step

StepLanguageWordMeaning
1Middle Englishproof
2Old Frenchprove
3Latinprobatest, trial; proof, evidence
4Latinprobāre
5Latinprobōto approve, permit, commend
6LatinProbusgood, serviceable, excellent, superior, able
7Proto-Indo-Europeanpro-bhwo-being in front, prominent
8Proto-Indo-Europeanpro-toward, forward
9Proto-Indo-Europeanpor-to give birth; forward, through; going, passage
10Proto-Indo-Europeanper-before, in front; first; to go through
11Proto-Indo-Europeanpr̥tóspassed , crossed

Words derived from “proof

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