Where does “воздушнодуговой” come from?

воздушнодуговой (Russian) comes from Russian возду́шный, from Russian во́здух, from Old Church Slavonic въздоухъ, from Proto-Slavic vъzduxъ, from Proto-Indo-European dʰews-, from Proto-Indo-European dʰew- — to die, pass away; to run, flow.

воздушнодуговой (Russian): air-arc related to arc welding with the removal of metal by compressed air

Definitions

  1. air-arc related to arc welding with the removal of metal by compressed air

Ancestry of “воздушнодуговой”, step by step

воздушнодуговой traces back through two separate lines of ancestry.

via Russian возду́шный

StepLanguageWordMeaning
1Russianвозду́шныйaerial
2Russianво́здухair
3Old Church Slavonicвъздоухъair; breath
4Proto-Slavicvъzduxъdeep gasp, sigh; air
5Proto-Indo-Europeandʰews-Alternative form of *dʰwes-; to lose one's...
6Proto-Indo-Europeandʰew-to die, pass away; to run, flow

via Russian дугово́й

StepLanguageWordMeaning
1Russianдугово́йarc lamps, lighting, or welding
2Russianдуга́arc
3Old East Slavicдугаrainbow
4Proto-Slavicdǫgaarc, arch; rainbow
5Proto-Balto-Slavicdangāˀcover
Every word from Proto-Indo-European dʰew-Every word from Proto-Indo-European dʰews-Every word from Proto-Slavic vъzduxъ