Where does “undimmable” come from?

undimmable (English) comes from English dimmable, from English Dim, from Middle English dim, from Old English dim, from Old English dimm, from Proto-Germanic dimmaz, from Proto-Indo-European dʰem- — to whisk, smoke, blow; dust, haze, cloud; obscure.

undimmable (English): Not capable of being dimmed

Definitions

  1. Not capable of being dimmed

Ancestry of “undimmable”, step by step

undimmable traces back through two separate lines of ancestry.

via English dimmable

StepLanguageWordMeaning
1EnglishdimmableAble to be dimmed; able to have illumination...
2EnglishDim(from Bashkir Дим)
3Middle Englishdim
4Old Englishdim
5Old Englishdimmdim
6Proto-Germanicdimmazdark; gloomy
7Proto-Indo-Europeandʰem-to whisk, smoke, blow; dust, haze, cloud; obscure

via English un

StepLanguageWordMeaning
1EnglishunOne
Every word from Proto-Indo-European dʰem-