Where does “Zweiklang” come from?

Zweiklang (German) comes from German zwei, from Middle High German zwēne, from Old High German zwēne, from Proto-West Germanic twai-, from Proto-Germanic twai, from Proto-Indo-European dwóh₁ — two.

Zweiklang (German): A dyad

Definitions

  1. A dyad

Ancestry of “Zweiklang”, step by step

Zweiklang traces back through two separate lines of ancestry.

via German zwei

StepLanguageWordMeaning
1Germanzweitwo
2Middle High Germanzwēnetwo
3Old High Germanzwēnetwo
4Proto-West Germanictwai-two
5Proto-Germanictwaitwo
6Proto-Indo-Europeandwóh₁two

via German klang

StepLanguageWordMeaning
1Germanklangfirst/third-person singular preterite of klingen
2Middle High Germanklanc—
3Old High Germanklang—
Every word from Proto-Indo-European dwóh₁ →Every word from Proto-Germanic twai →Every word from Proto-West Germanic twai- →