Where does “tornadoproof” come from?

tornadoproof (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.

tornadoproof (English): Capable of resisting a tornado

Definitions

  1. Capable of resisting a tornado

Ancestry of “tornadoproof”, step by step

tornadoproof 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 tornado

StepLanguageWordMeaning
1EnglishtornadoA violent windstorm characterized by a mobile,...
2Englishternado
3Spanishtronadathunderstorm
4Spanishtronarto thunder; to bust, ruin; to fail
5Latintonōto thunder
6Latintonāre
7Proto-Indo-European(s)tenh₂-to crash, sound, thunder, roar, moan; thunder; to...
Every word from Proto-Indo-European pr̥tósEvery word from Proto-Indo-European per-Every word from Proto-Indo-European por-
tornadoproof — Etymology, Origin & Word History | Etymology Explorer