Where does “Herbstlaub” come from?

Herbstlaub (German) comes from German Herbst, from Middle High German herbest, from Old High German herbist, from Proto-West Germanic harbist, from Proto-Germanic harbistaz, from Proto-Germanic harbaz, from Proto-Indo-European kerp-, from Proto-Indo-European (s)ḱer- — dung, manure, filth; manure, dung, filth.

Herbstlaub (German): autumn leaves, autumn foliage, fall foliage

Definitions

  1. autumn leaves, autumn foliage, fall foliage

Ancestry of “Herbstlaub”, step by step

Herbstlaub traces back through two separate lines of ancestry.

via German Herbst

StepLanguageWordMeaning
1GermanHerbstautumn, fall
2Middle High Germanherbest
3Old High Germanherbistautumn, fall
4Proto-West Germanicharbistharvest
5Proto-Germanicharbistazharvest; autumn, fall
6Proto-Germanicharbaz
7Proto-Indo-Europeankerp-to pluck, harvest
8Proto-Indo-European(s)ḱer-dung, manure, filth; manure, dung, filth

via German Laub

StepLanguageWordMeaning
1GermanLaubfoliage, greenery, leaves; leaves, a suit in...
2Old High Germanloupleaves
3Proto-West Germaniclaubleaf; foliage
4Proto-Germaniclaubąleaf
5Proto-Indo-Europeanlewp-peel, break off; to flake off, peel, damage; to...
6Proto-Indo-Europeanlew-dirt, mud; to cut, remove, prune, separate; to...
Every word from Proto-Indo-European (s)ḱer-Every word from Proto-Indo-European kerp-Every word from Proto-Germanic harbaz