Where does “watershed” come from?

Watershed comes from English water and English shade, from Middle English schade, from Old English sċeadu meaning shadow or protection, and from Proto-Indo-European skÁit- and wódr̥ deriving from wed-.

watershed (English): The topographical boundary dividing two adjacent...

Definitions

  1. The topographical boundary dividing two adjacent...

Ancestry of “watershed”, step by step

watershed traces back through 3 separate lines of ancestry.

via English shed

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

via German Wasserscheide

StepLanguageWordMeaning
1GermanWasserscheidewatershed
2Germanwasserinflection of wassern: ## first-person singular...
3Middle High Germanwazzerwater
4Old High Germanwaȥȥarwater
5Proto-West Germanicwatarwater
6Proto-Germanicwatōrwater
7Proto-Indo-Europeanwódr̥water
8Proto-Indo-Europeanwed-water
9Proto-Indo-Europeanwey-to wither; fade; to move, go ahead; to be strong;...

via English water

StepLanguageWordMeaning
1EnglishwaterA substance found at room temperature and...
2Irishuiscewater
3Old Irishuiscewater
4Proto-Celticudenskyoswater

Words derived from “watershed

Every word from Proto-Indo-European h₂en-