Where does “chillproof” come from?

chillproof (English) comes from English proof, from Middle English proof, from Old French prove, from Latin proba, from Latin probāre, from Latin probō, from Latin Probus, from Proto-Indo-European pro-bhwo- — passed , crossed.

chillproof (English): To treat (typically a beer) such that no cloudiness forms upon chilling

Definitions

  1. To treat (typically a beer) such that no cloudiness forms upon chilling

Ancestry of “chillproof”, step by step

chillproof traces back through two separate lines of ancestry.

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

via English chill

StepLanguageWordMeaning
1EnglishchillA moderate, but uncomfortable and penetrating...
2Middle EnglishichilleI will
3Middle EnglishWill
4Middle EnglishWilliam
5Anglo-NormanWillame
6Old High GermanWillahelmWilliam
7Old High Germanhelmhelmet
8Proto-West Germanichelmhelmet
9Proto-Germanichelmazhelmet
10Proto-Germanichalmazhalm; stem; stalk; straw; hay
11Proto-Indo-Europeanḱolh₂mosstalk
12Proto-Indo-Europeanḱelh₂-to pierce, strike; to stick; prick; stab
Every word from Proto-Indo-European pr̥tósEvery word from Proto-Indo-European per-Every word from Proto-Indo-European por-