A blend of fire + tornado
Proto-Indo-European *péh₂wr̥
…
Proto-Germanic *fuïr
Proto-West Germanic *fuir
Old English fȳr ‘fire’
Middle English fyr
English fire
Proto-Indo-European *(s)tenh₂- ‘to thunder’
…
Proto-Italic *tonaō
Latin tonō ‘to thunder’
Spanish tronar ‘to thunder’
Spanish tronada ‘thunderstorm’
English tornado
Today it means
noun A fire whirl (a whirling column of fire found in large fiery areas such as wildfires, similar in appearance to a tornado made out of fire).
Language periods are conventional ranges, not dates for this word.
Etymograph / firenado
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