Where does “Zweitor” come from?

Zweitor (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.

Zweitor (German): quadripole, two-port network

Definitions

  1. quadripole, two-port network

Ancestry of “Zweitor”, step by step

Zweitor 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 tor

StepLanguageWordMeaning
1Germantorgate, archway passageway covered by an arch, particularly one made of masonry
2Old High Germantor—
3Proto-Germanicdurąbig door, gate
4Proto-Indo-Europeandʰwer-door
Every word from Proto-Indo-European dwóh₁ →Every word from Proto-Germanic twai →Every word from Proto-West Germanic twai- →