Where does “air shed” come from?

air shed (English) comes from English watershed, from English shed, from English ED, from Japanese エンディング, from English ending, from Middle English ending, from Middle English endyng, from Old English endung — on, onto.

air shed (English): A region's air supply; The region supplied by a...

Definitions

  1. A region's air supply; The region supplied by a...

Ancestry of “air shed”, step by step

air shed traces back through two separate lines of ancestry.

via English watershed

StepLanguageWordMeaning
1EnglishwatershedThe topographical boundary dividing two adjacent...
2EnglishshedTo part, separate or divide; To part with,...
3EnglishEDInitialism of erectile dysfunction; Initialism of...
4Japaneseエンディングending, especially of a broadcast or performance
5EnglishendingA termination or conclusion; The last part of...
6Middle EnglishendingAlternative form of endyng
7Middle EnglishendyngAn ending, termination, or conclusion;...
8Old Englishendungending
9Old Englishendianto end, make an end of; to finish, complete; to...
10Proto-Germanicandijōnąto end, bring to an end, finish
11Proto-Germanicandijazend
12Proto-Indo-Europeanh₂entíosfront; forehead
13Proto-Indo-Europeanh₂ent-face; forehead; front
14Proto-Indo-Europeanh₂en-on, onto

via English aïr

StepLanguageWordMeaning
1Englishaïr
2Middle Englishaireair
3Old Frenchairair mixture of gases that make up the earth's atmosphere
4Latināērair
5Ancient Greekἀήρmist; air; wind
6Ancient Greekauhḗr
Every word from Proto-Indo-European h₂en-
air shed — Etymology, Origin & Word History | Etymology Explorer