Where does “Dünndarm” come from?

Dünndarm (German) comes from German dünn, from Middle High German dünne, from Old High German dunni, from Proto-West Germanic þunnī, from Proto-Germanic þunnuz, from Proto-Indo-European ténh₂us, from Proto-Indo-European tenh₂-, from Proto-Indo-European ten- — to stretch, to extend.

Dünndarm (German): small intestine

Definitions

  1. small intestine

Ancestry of “Dünndarm”, step by step

Dünndarm traces back through two separate lines of ancestry.

via German dünn

StepLanguageWordMeaning
1Germandünnthin, slender, slim; weak, not strong; flimsy
2Middle High Germandünne—
3Old High Germandunnithin
4Proto-West Germanicþunnīthin
5Proto-Germanicþunnuzthin
6Proto-Indo-Europeanténh₂usthin
7Proto-Indo-Europeantenh₂-to stretch, to extend
8Proto-Indo-Europeanten-to stretch, to extend

via German darm

StepLanguageWordMeaning
1Germandarmintestine, gut
2Middle High Germandarm—
3Old High Germandarm—
4Proto-West Germanicþarmintestine
5Proto-Germanicþarmazintestine
6Proto-Indo-Europeantórmosborehole
7Proto-Indo-Europeanterh₁-to rub, turn; to drill, pierce
Every word from Proto-Indo-European ten- →Every word from Proto-Indo-European tenh₂- →Every word from Proto-Indo-European ténh₂us →