Where does “Buttermilch” come from?

Buttermilch (German) comes from German butter, from Middle High German buter, from Old High German butira, from Proto-West Germanic buterā, from Latin būtȳrum, from Ancient Greek βούτυρον, from Ancient Greek τυρός, from Proto-Hellenic tūrós — to swell; to crowd; to be strong.

Buttermilch (German): buttermilk

Definitions

  1. buttermilk

Ancestry of “Buttermilch”, step by step

Buttermilch traces back through two separate lines of ancestry.

via German butter

StepLanguageWordMeaning
1Germanbutterinflection of buttern: ## first-person singular...
2Middle High Germanbuterbutter
3Old High Germanbutirabutter
4Proto-West Germanicbuterābutter
5Latinbūtȳrumbutter
6Ancient Greekβούτυρονbutter
7Ancient Greekτυρόςcheese
8Proto-Hellenictūróscheese
9Proto-Indo-Europeantuh₂-ró-s
10Proto-Indo-Europeantewh₂-to swell; to crowd; to be strong

via German milch

StepLanguageWordMeaning
1Germanmilchmilk white liquid produced by female mammals for their young to consume
2Middle High Germanmilch
3Old High Germanmiluh
4Proto-West Germanicmelukmilk
5Proto-Germanicmeluksmilk
6Proto-Indo-Europeanh₂melǵ-to milk; milk
Every word from Proto-Indo-European tewh₂-Every word from Proto-Indo-European tuh₂-ró-sEvery word from Proto-Hellenic tūrós