Where does “Vernunftehe” come from?

Vernunftehe (German) comes from German ehe, from Middle High German ēwe, from Old High German ēwa, from Proto-West Germanic aiw, from Proto-Germanic aiwaz, from Proto-Indo-European h₂eyu-, from Proto-Indo-European h₂ey- — vital force, life, age, eternity; day, morning.

Vernunftehe (German): marriage of convenience

Definitions

  1. marriage of convenience

Ancestry of “Vernunftehe”, step by step

Vernunftehe traces back through two separate lines of ancestry.

via German ehe

StepLanguageWordMeaning
1Germanehebefore, ere; rather than
2Middle High Germanēwelaw
3Old High Germanēwaeternity; law, marriage
4Proto-West Germanicaiwlong time, age, eternity; law
5Proto-Germanicaiwazlong time, age, eternity
6Proto-Indo-Europeanh₂eyu-vitality; eternal; vital force, life, long life,...
7Proto-Indo-Europeanh₂ey-vital force, life, age, eternity; day, morning

via German vernunft

StepLanguageWordMeaning
1Germanvernunftreason, good sense
2Middle High Germanvernunft
3Old High Germanvernumft
Every word from Proto-Indo-European h₂ey-Every word from Proto-Indo-European h₂eyu-Every word from Proto-Germanic aiwaz