Where does “dragonproof” come from?

dragonproof (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.

dragonproof (English): Resistant to dragons

Definitions

  1. Resistant to dragons

Ancestry of “dragonproof”, step by step

dragonproof 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 dragon

StepLanguageWordMeaning
1EnglishdragonA legendary serpentine or reptilian creature; An...
2Englishdrag queenA person, usually male, who dresses up in women's...
3EnglishQueenA title used before the personal name of a queen
4Middle EnglishqueneA queen; Any powerful woman noble; A female...
5Old Englishcwenea woman; inflection of cwēn: ##...
6Old Englishcwēnqueen; woman, wife, queen
7Proto-West Germanickwāniwoman, wife
8Proto-Germanickwēnizwife
9Proto-Indo-Europeangʷḗnwoman
10Proto-Indo-Europeangʷen-woman
Every word from Proto-Indo-European pr̥tósEvery word from Proto-Indo-European per-Every word from Proto-Indo-European por-