Where does “Unterlauf” come from?

Unterlauf (German) comes from German unter-, from German Unter, from Middle High German under, from Old High German untar, from Proto-Germanic under, from Proto-Indo-European h₁entér, from Proto-Indo-European h₁en — in; in, inside.

Unterlauf (German): lower reaches

Definitions

  1. lower reaches

Ancestry of “Unterlauf”, step by step

StepLanguageWordMeaning
1Germanunter-sub-, under-
2GermanUnterjack, knave
3Middle High Germanunder—
4Old High Germanuntarunder
5Proto-Germanicunderamong, between; under, beneath; under
6Proto-Indo-Europeanh₁entérbetween
7Proto-Indo-Europeanh₁enin; in, inside
Every word from Proto-Indo-European h₁en →Every word from Proto-Indo-European h₁entér →Every word from Proto-Germanic under →