Where does “blowdown” come from?

blowdown (English) comes from English down, from Middle English doune, from Old English dūne, from Old English adūne, from Old English ofdūne, from Old English dūn, from Proto-Germanic *dūnā, from Proto-Celtic dūnom — smoke; mist, haze.

blowdown (English): The removal of liquid and solid hydrocarbons from...

Definitions

  1. The removal of liquid and solid hydrocarbons from...

Ancestry of “blowdown”, step by step

blowdown traces back through two separate lines of ancestry.

via English down

StepLanguageWordMeaning
1EnglishdownFrom a higher position to a lower one; downwards;...
2Middle Englishdoune
3Old Englishdūnehill; down, downward
4Old Englishadūne
5Old Englishofdūneoff the hill; down
6Old Englishdūnhill, down; hill, dune; hill, mountain
7Proto-Germanic*dūnā
8Proto-Celticdūnomstronghold, rampart
9Proto-Indo-Europeandʰewh₂-smoke; mist, haze

via English blow

StepLanguageWordMeaning
1EnglishblowTo produce an air current; To propel by an air...
2Middle EnglishbloweAlternative form of blowen
3Old Englishblōwanto bloom, blossom
4Proto-West Germanicblōanto bloom, to flower
5Proto-Germanicblōanąto bloom, to flower
6Proto-Indo-Europeanbʰleh₃-bloom, flower
7Proto-Indo-Europeanbʰel-to sound; to speak, roar, bark; shiny, white; to...
8Proto-Indo-Europeanbʰōl-
Every word from Proto-Indo-European dʰewh₂-