Where does “counterproof” come from?

counterproof (English) comes from English counter, from Middle English countour, from Middle French contoir, from Middle French compter, from Old French compter, from Latin computāre, from Latin computō, from Latin com- — to bend; curve; arch; vault; to bow, bend, arch,...

counterproof (English): The inverted image of an original proof; A proof...

Definitions

  1. The inverted image of an original proof; A proof...

Ancestry of “counterproof”, step by step

counterproof traces back through two separate lines of ancestry.

via English counter

StepLanguageWordMeaning
1EnglishcounterOne who counts; A reckoner; someone who collects...
2Middle EnglishcountourAn accountant; a financial recordkeeper
3Middle FrenchcontoirAlternative spelling of comptoir
4Middle Frenchcompterto recount; to tell
5Old Frenchcompter—
6Latincomputāre—
7Latincomputōto calculate, compute, reckon together
8Latincom-allomorph of con-
9Latincon-Used in compounds to indicate a being or bringing...
10Latincumwith, along with; at; -fold
11Old LatincomAlternative form of cum
12Proto-Italickomwith, along, at
13Proto-Indo-Europeanḱómbeside, near, by, with
14Proto-Indo-EuropeanḱeDeictic particle, here; Post-positional...
15Middle Englishkyt—
16Germankittputty certain kinds of cement used for fixing e.g. window panes
17Old High Germankuti—
18Proto-West Germanickwidugum, resin
19Proto-Germanickweduzresin
20Proto-Indo-Europeangʷet-resin, gum; to say, speak
21Proto-Indo-Europeangū-to bend; curve; arch; vault; to bow, bend, arch,...

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-Europeanpro-toward, forward
10Proto-Indo-Europeanpor-to give birth; forward, through; going, passage
11Proto-Indo-Europeanper-before, in front; first; to go through
12Proto-Indo-Europeanpr̥tóspassed , crossed
Every word from Proto-Indo-European gū- →Every word from Proto-Indo-European gʷet- →Every word from Proto-Germanic kweduz →