Where does “disproof” come from?

Disproof comes from Middle English dis- combined with proof, tracing back through Latin dis- (meaning apart) and Latin probus (meaning honest or worthy), ultimately from Proto-Indo-European dwóh₁.

disproof (English): A refutation

Definitions

  1. A refutation

Ancestry of “disproof”, step by step

disproof traces back through two separate lines of ancestry.

via English Dis

StepLanguageWordMeaning
1EnglishDisHades
2EnglishdisrespectA lack of respect, esteem or courteous behaviour;...
3Englishrespectan attitude of consideration or high regard; good...
4Middle Englishrespect
5Old Frenchrespect
6Latinrespectusrespected; looking back; regard, consideration,...
7Latinrespiciōto look behind, look back at or upon, look to, look around
8Latinrĕ-back, backwards
9Latinprōdūcōto lead or bring forth, forward or out
10Latinprō-forward direction, forward movement
11Proto-Italic*pro-pro- see the Latin entry for further meanings
12Proto-Indo-Europeanpro-toward, forward
13Proto-Indo-Europeanpor-to give birth; forward, through; going, passage
14Proto-Indo-Europeanper-before, in front; first; to go through
15Proto-Indo-Europeanpr̥tóspassed , crossed

via English proof

StepLanguageWordMeaning
1EnglishproofAn effort, process, or operation designed to...
2Middle Englishproof
3Old Frenchprove
4Latinprobatest, trial; proof, evidence
5Latinprobāre
6Latinprobōto approve, permit, commend
7LatinProbusgood, serviceable, excellent, superior, able
8Proto-Indo-Europeanpro-bhwo-being in front, prominent
9Proto-Indo-Europeanbhu-to be
10Proto-Bantubʊ̀-Class 14 noun prefix
Every word from Proto-Indo-European pr̥tósEvery word from Proto-Indo-European per-Every word from Latin rĕ-