Where does “Wellengleichung” come from?

Wellengleichung (German) comes from German Gleichung, from German gleich, from Middle High German gelīch, from Old High German gilīh, from Proto-West Germanic galīk, from Proto-Germanic galīkaz, from Proto-Indo-European leyǵ- — to bind, tie.

Wellengleichung (German): wave equation

Definitions

  1. wave equation

Ancestry of “Wellengleichung”, step by step

Wellengleichung traces back through two separate lines of ancestry.

via German Gleichung

StepLanguageWordMeaning
1GermanGleichungequation, equality
2Germangleichequal; same; very similar; same; identical
3Middle High Germangelīch
4Old High Germangilīhequal
5Proto-West Germanicgalīkalike, similar
6Proto-Germanicgalīkazalike, similar; equal
7Proto-Indo-Europeanleyǵ-to bind, tie

via German welle

StepLanguageWordMeaning
1Germanwelleinflection of wellen: ## first-person singular...
2Middle High Germanwëlle
3Old High Germanwellasource
4Proto-West Germanicwallanto well up, spring out, bubble forth
5Proto-Germanicwallanąto well up, spring out, bubble forth
6Proto-Indo-EuropeanwēlH-to roll, to undulate
7Proto-Indo-EuropeanwelH-to turn, to wind
Every word from Proto-Indo-European leyǵ-Every word from Proto-Germanic galīkazEvery word from Proto-West Germanic galīk