Where does “blackdamp” come from?

blackdamp (English) comes from English Black, from Old French blanc, from Late Latin blancus, from Frankish blank, from Proto-Germanic *blank, from Proto-Germanic blankaz, from Proto-Indo-European bhleg- — to shine, white; to shine, burn, scorch.

blackdamp (English): choke damp

Definitions

  1. choke damp

Ancestry of “blackdamp”, step by step

blackdamp traces back through two separate lines of ancestry.

via English Black

StepLanguageWordMeaning
1EnglishBlackAlternative letter-case form of black
2Old Frenchblancwhite
3Late Latinblancuswhite
4Frankishblankbright; gleaming, white, blinding; bright,...
5Proto-Germanic*blank
6Proto-Germanicblankazbright, shining, white, gleaming, blinding
7Proto-Indo-Europeanbhleg-to shine, white; to shine, burn, scorch

via English damp

StepLanguageWordMeaning
1EnglishdampIn a state between dry and wet; moderately wet;...
2Middle Englishdampento extinguish, choke, suffocate; to stifle;...
3Proto-Germanicdampazvapor; damp, humid
4Proto-Germanicdimbanąto fog, smoke
5Proto-Indo-Europeandʰembʰ-to be stunned
Every word from Proto-Indo-European bhleg-