Where does “wastegate” come from?

wastegate (English) comes from English gate, from Middle English gate, from Old English ġeat, from Old French gaut, from Proto-West Germanic walþu, from Proto-Germanic walþuz, from Proto-Indo-European wel- — to see.

wastegate (English): A valve that diverts exhaust gases

Definitions

  1. A valve that diverts exhaust gases

Ancestry of “wastegate”, step by step

wastegate traces back through two separate lines of ancestry.

via English gate

StepLanguageWordMeaning
1EnglishgateA doorlike structure outside a house; Doorway,...
2Middle EnglishgateAn entryway or entrance to a settlement or...
3Old Englishġeatgate; a gate, door
4Old Frenchgautforest, woods, woodland
5Proto-West Germanicwalþuforest
6Proto-Germanicwalþuzforest
7Proto-Indo-Europeanwel-to see

via English waste

StepLanguageWordMeaning
1EnglishwasteExcess of material, useless by-products or...
2Middle Englishwastento waste, lay waste
3Old Northern Frenchwasterto waste, devastate
Every word from Proto-Indo-European wel-Every word from Proto-Germanic walþuzEvery word from Proto-West Germanic walþu